#81A2CF
Closest named color: Greyblue (#77A1B5). oklch(70.4% 0.076 256.3), rgb(129, 162, 207).
Aa
Black text reads best on this color (8.00:1).
About this color
#81A2CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.076 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.042 away. Black text reads best on it, at 8.00:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.00:1 |
| White text | 2.62:1 |
Values
| HEX | #81A2CF |
| RGB | rgb(129, 162, 207) |
| HSL | hsl(215, 45%, 66%) |
| OKLCH | oklch(70.4% 0.076 256.3) |
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 #81A2CF | 2.62:1 | Fails | Lc -56.3 | Large or bold text, headings |
| Black text on #81A2CF | 8.00:1 | AAA | Lc 52.9 | Large or bold text, headings |
| #81A2CF text on white | 2.62:1 | Fails | Lc 51.1 | Large or bold text, headings |
| #81A2CF text on black | 8.00:1 | AAA | Lc -50.8 | 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
#CEDAEB
oklch(88.4% 0.027 257)
-
Step 300
300
#ADC2E0
oklch(80.8% 0.048 257.3)
-
Step 400
400 (this color)
#81A2CF
oklch(70.4% 0.076 256.3)
-
Step 500
500
#628BC4
oklch(63.1% 0.098 256.8)
-
Step 600
600
#4875B0
oklch(55.7% 0.105 255.7)
-
Step 700
700
#3A6297
oklch(49.2% 0.097 256)
-
Step 800
800
#30507B
oklch(42.8% 0.081 256.2)
-
Step 900
900
#2B4263
oklch(37.6% 0.064 257.4)
-
Step 950
950
#19273A
oklch(27% 0.041 256.3)
#81A2CF 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) | #92A4D1 | 0.023 |
| Deuteranopia (no green cones) | #899CCE | 0.018 |
| Tritanopia (no blue cones) | #67ACB1 | 0.067 |
| Achromatopsia (no color) | #A0A0A0 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81A2CF
#81A2CF
oklch(70.4% 0.076 256.3)
- #BB9A69
#BB9A69
oklch(70.5% 0.076 76.9)
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 #81A2CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.042
- Bluegrey #85A3B2 ΔE 0.044
- Bluey Grey #89A0B0 ΔE 0.045
- Cool Gray #8D99AE ΔE 0.049
- Cool Steel #97A7B3 ΔE 0.054
- Cool Grey #95A3A6 ΔE 0.065
- Cornflower Blue #6495ED ΔE 0.073
- Silver Lake Blue #778DA9 ΔE 0.073
Use #81A2CF 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.