#78A1BB
Closest named color: Greyblue (#77A1B5). oklch(68.8% 0.059 236.6), rgb(120, 161, 187).
Aa
Black text reads best on this color (7.61:1).
About this color
#78A1BB is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.059 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.009 away. Black text reads best on it, at 7.61:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.61:1 |
| White text | 2.75:1 |
Values
| HEX | #78A1BB |
| RGB | rgb(120, 161, 187) |
| HSL | hsl(203, 33%, 60%) |
| OKLCH | oklch(68.8% 0.059 236.6) |
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 #78A1BB | 2.75:1 | Fails | Lc -58.5 | Large or bold text, headings |
| Black text on #78A1BB | 7.61:1 | AAA | Lc 50.8 | Large or bold text, headings |
| #78A1BB text on white | 2.75:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #78A1BB text on black | 7.61:1 | AAA | Lc -48.6 | Large or bold text, headings |
Tints and shades
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
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CDDCE5
oklch(88.6% 0.02 233.9)
-
Step 300
300
#ABC5D6
oklch(80.9% 0.037 236.6)
-
Step 400
400 (this color)
#78A1BB
oklch(68.8% 0.059 236.6)
-
Step 500
500
#5B91B1
oklch(63.2% 0.075 235.7)
-
Step 600
600
#407A9D
oklch(55.5% 0.082 237.2)
-
Step 700
700
#316786
oklch(49.1% 0.076 236.3)
-
Step 800
800
#2A546D
oklch(42.7% 0.063 236.9)
-
Step 900
900
#264658
oklch(37.8% 0.049 234.7)
-
Step 950
950
#172934
oklch(27.1% 0.031 236.4)
#78A1BB 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) | #95A0BC | 0.037 |
| Deuteranopia (no green cones) | #8C98BB | 0.033 |
| Tritanopia (no blue cones) | #61A8A9 | 0.046 |
| Achromatopsia (no color) | #9C9C9C | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78A1BB
#78A1BB
oklch(68.8% 0.059 236.6)
- #B89278
#B89278
oklch(68.9% 0.059 55.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #78A1BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.009
- Bluegrey #85A3B2 ΔE 0.022
- Bluey Grey #89A0B0 ΔE 0.024
- Cool Gray #8D99AE ΔE 0.033
- Cool Steel #97A7B3 ΔE 0.046
- Cool Grey #95A3A6 ΔE 0.047
- Cadet Blue #5F9EA0 ΔE 0.051
- Silver Lake Blue #778DA9 ΔE 0.056
Use #78A1BB 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.