#81A2BF
Closest named color: Greyblue (#77A1B5). oklch(69.8% 0.056 245.3), rgb(129, 162, 191).
Aa
Black text reads best on this color (7.85:1).
About this color
#81A2BF is a medium-light, muted blue. In OKLCH its lightness is 70%, its chroma 0.056 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.020 away. Black text reads best on it, at 7.85:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.85:1 |
| White text | 2.67:1 |
Values
| HEX | #81A2BF |
| RGB | rgb(129, 162, 191) |
| HSL | hsl(208, 33%, 63%) |
| OKLCH | oklch(69.8% 0.056 245.3) |
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 #81A2BF | 2.67:1 | Fails | Lc -57.1 | Large or bold text, headings |
| Black text on #81A2BF | 7.85:1 | AAA | Lc 52.1 | Large or bold text, headings |
| #81A2BF text on white | 2.67:1 | Fails | Lc 51.9 | Large or bold text, headings |
| #81A2BF text on black | 7.85:1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CFDBE5
oklch(88.5% 0.019 243)
-
Step 300
300
#AFC4D6
oklch(81% 0.034 244)
-
Step 400
400 (this color)
#81A2BF
oklch(69.8% 0.056 245.3)
-
Step 500
500
#648EB3
oklch(63.1% 0.073 245.9)
-
Step 600
600
#4B789E
oklch(55.6% 0.077 245.3)
-
Step 700
700
#3B6587
oklch(49.1% 0.072 244.5)
-
Step 800
800
#32526E
oklch(42.6% 0.06 246.2)
-
Step 900
900
#2C4459
oklch(37.6% 0.047 245.9)
-
Step 950
950
#1A2834
oklch(27% 0.03 245.1)
#81A2BF 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) | #96A2C0 | 0.027 |
| Deuteranopia (no green cones) | #8F9BBE | 0.024 |
| Tritanopia (no blue cones) | #6EA9AB | 0.047 |
| Achromatopsia (no color) | #9E9E9E | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81A2BF
#81A2BF
oklch(69.8% 0.056 245.3)
- #B79779
#B79779
oklch(69.8% 0.057 64.8)
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 #81A2BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.020
- Bluegrey #85A3B2 ΔE 0.021
- Bluey Grey #89A0B0 ΔE 0.022
- Cool Gray #8D99AE ΔE 0.031
- Cool Steel #97A7B3 ΔE 0.038
- Cool Grey #95A3A6 ΔE 0.044
- Pewter #96A8A1 ΔE 0.058
- Silver Lake Blue #778DA9 ΔE 0.063
Use #81A2BF 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.