Greyblue #77A1B5
Greyblue is a medium-light, muted teal or cyan with hex code #77A1B5 and RGB rgb(119, 161, 181).
Aa
Black text reads best on this color (7.54:1).
About this color
#77A1B5 is a medium-light, muted teal or cyan. In OKLCH its lightness is 69%, its chroma 0.054 and its hue 229°. Its hue sits on the cool side of the wheel. It is the named color Greyblue. Black text reads best on it, at 7.54:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Greyblue |
| Black text | 7.54:1 |
| White text | 2.78:1 |
Colors that go with Greyblue
Matches found by rotating Greyblue around the OKLCH hue wheel, each labelled with the closest name in our list.
Complementary
The opposite hue (180°).
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Greyblue
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Greyblue, closest first.
Similar named colors
The eight named colors closest to Greyblue, with their ΔE distance.
- Bluegrey #85A3B2 ΔE 0.019
- Bluey Grey #89A0B0 ΔE 0.022
- Cool Gray #8D99AE ΔE 0.032
- Cadet Blue #5F9EA0 ΔE 0.043
- Cool Grey #95A3A6 ΔE 0.043
- Cool Steel #97A7B3 ΔE 0.045
- Silver Lake Blue #778DA9 ΔE 0.055
- Pewter #96A8A1 ΔE 0.055
More about Greyblue
How to make Greyblue
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 4 parts blue
- 4 parts white
- 1 part orange
Recipe result: #5CA1BB, a difference of ΔE 0.029 from Greyblue. That is very close: most people will not see the difference.
Codes for Greyblue in every format
| HEX | #77A1B5 |
| RGB | rgb(119, 161, 181) |
| HSL | hsl(199, 30%, 59%) |
| OKLCH | oklch(68.6% 0.054 228.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #77A1B5 | 2.78:1 | Fails | Lc -58.8 | Large or bold text, headings |
| Black text on #77A1B5 | 7.54:1 | AAA | Lc 50.5 | Large or bold text, headings |
| #77A1B5 text on white | 2.78:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #77A1B5 text on black | 7.54:1 | AAA | Lc -48.3 | Large or bold text, headings |
Shades and tints of Greyblue
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CDDCE3
oklch(88.5% 0.019 227.3)
-
Step 300
300
#ABC5D2
oklch(80.8% 0.034 229.4)
-
Step 400
400 (this color)
#77A1B5
oklch(68.6% 0.054 228.9)
-
Step 500
500
#5B92AB
oklch(63.1% 0.069 228.7)
-
Step 600
600
#3F7C97
oklch(55.7% 0.076 229.1)
-
Step 700
700
#306880
oklch(49% 0.07 228.7)
-
Step 800
800
#295568
oklch(42.7% 0.058 228.5)
-
Step 900
900
#264655
oklch(37.6% 0.046 229.9)
-
Step 950
950
#172932
oklch(27% 0.029 231)
Greyblue with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #979FB6 | 0.041 |
| Deuteranopia (no green cones) | #8E98B5 | 0.036 |
| Tritanopia (no blue cones) | #62A7A7 | 0.039 |
| Achromatopsia (no color) | #9B9B9B | 0.054 |
Use Greyblue in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.