#81A0CD
Closest named color: Greyblue (#77A1B5). oklch(69.9% 0.075 257.6), rgb(129, 160, 205).
Aa
Black text reads best on this color (7.84:1).
About this color
#81A0CD is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.075 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.040 away. Black text reads best on it, at 7.84:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.84:1 |
| White text | 2.67:1 |
Values
| HEX | #81A0CD |
| RGB | rgb(129, 160, 205) |
| HSL | hsl(216, 43%, 65%) |
| OKLCH | oklch(69.9% 0.075 257.6) |
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 #81A0CD | 2.67:1 | Fails | Lc -57.2 | Large or bold text, headings |
| Black text on #81A0CD | 7.84:1 | AAA | Lc 52.0 | Large or bold text, headings |
| #81A0CD text on white | 2.67:1 | Fails | Lc 52.0 | Large or bold text, headings |
| #81A0CD text on black | 7.84:1 | AAA | Lc -49.9 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CFDAEB
oklch(88.5% 0.026 259)
-
Step 300
300
#AEC2DF
oklch(80.8% 0.047 257.6)
-
Step 400
400 (this color)
#81A0CD
oklch(69.9% 0.075 257.6)
-
Step 500
500
#648BC3
oklch(63.1% 0.096 257.4)
-
Step 600
600
#4B74B0
oklch(55.6% 0.105 257.8)
-
Step 700
700
#3C6197
oklch(49.1% 0.097 257.8)
-
Step 800
800
#324F7A
oklch(42.6% 0.08 258.1)
-
Step 900
900
#2C4263
oklch(37.7% 0.063 258.3)
-
Step 950
950
#1A273A
oklch(27% 0.04 257.8)
#81A0CD 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) | #90A2CF | 0.021 |
| Deuteranopia (no green cones) | #879BCC | 0.014 |
| Tritanopia (no blue cones) | #68AAAF | 0.067 |
| Achromatopsia (no color) | #9E9E9E | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81A0CD
#81A0CD
oklch(69.9% 0.075 257.6)
- #B89968
#B89968
oklch(70% 0.075 78.5)
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 #81A0CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.040
- Bluey Grey #89A0B0 ΔE 0.044
- Bluegrey #85A3B2 ΔE 0.044
- Cool Gray #8D99AE ΔE 0.045
- Cool Steel #97A7B3 ΔE 0.055
- Cool Grey #95A3A6 ΔE 0.065
- Silver Lake Blue #778DA9 ΔE 0.068
- Faded Blue #658CBB ΔE 0.070
Use #81A0CD 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.