#77AACC
Closest named color: Greyblue (#77A1B5). oklch(71.5% 0.073 238.3), rgb(119, 170, 204).
Aa
Black text reads best on this color (8.40:1).
About this color
#77AACC is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.073 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.036 away. Black text reads best on it, at 8.40:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.40:1 |
| White text | 2.49:1 |
Values
| HEX | #77AACC |
| RGB | rgb(119, 170, 204) |
| HSL | hsl(204, 45%, 63%) |
| OKLCH | oklch(71.5% 0.073 238.3) |
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 #77AACC | 2.49:1 | Fails | Lc -54.0 | Large or bold text, headings |
| Black text on #77AACC | 8.40:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #77AACC text on white | 2.49:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #77AACC text on black | 8.40:1 | AAA | Lc -53.0 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE8
oklch(88.5% 0.025 236.9)
-
Step 300
300
#A6C6DB
oklch(81% 0.045 236.9)
-
Step 400
400 (this color)
#77AACC
oklch(71.5% 0.073 238.3)
-
Step 500
500
#4E91BC
oklch(63% 0.094 238.8)
-
Step 600
600
#2E7BA8
oklch(55.6% 0.102 238.4)
-
Step 700
700
#1F6790
oklch(49% 0.095 238.6)
-
Step 800
800
#1D5475
oklch(42.6% 0.079 239.1)
-
Step 900
900
#1E465E
oklch(37.7% 0.061 237.7)
-
Step 950
950
#132937
oklch(27% 0.038 238.3)
#77AACC 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) | #9BA9CE | 0.044 |
| Deuteranopia (no green cones) | #8FA0CB | 0.037 |
| Tritanopia (no blue cones) | #56B3B5 | 0.058 |
| Achromatopsia (no color) | #A4A4A4 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77AACC
#77AACC
oklch(71.5% 0.073 238.3)
- #C69875
#C69875
oklch(71.4% 0.073 58.5)
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 #77AACC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.036
- Bluegrey #85A3B2 ΔE 0.038
- Bluey Grey #89A0B0 ΔE 0.044
- Cool Steel #97A7B3 ΔE 0.049
- Cool Gray #8D99AE ΔE 0.056
- Cool Grey #95A3A6 ΔE 0.060
- Pewter #96A8A1 ΔE 0.068
- Turquoise Blue #06B1C4 ΔE 0.069
Use #77AACC 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.