#81A5BC
Closest named color: Bluegrey (#85A3B2). oklch(70.3% 0.052 236.5), rgb(129, 165, 188).
Aa
Black text reads best on this color (8.04:1).
About this color
#81A5BC is a medium-light, muted blue. In OKLCH its lightness is 70%, its chroma 0.052 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegrey (#85A3B2), ΔE 0.014 away. Black text reads best on it, at 8.04:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Bluegrey (#85A3B2) |
| Black text | 8.04:1 |
| White text | 2.61:1 |
Values
| HEX | #81A5BC |
| RGB | rgb(129, 165, 188) |
| HSL | hsl(203, 31%, 62%) |
| OKLCH | oklch(70.3% 0.052 236.5) |
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 #81A5BC | 2.61:1 | Fails | Lc -56.1 | Large or bold text, headings |
| Black text on #81A5BC | 8.04:1 | AAA | Lc 53.1 | Large or bold text, headings |
| #81A5BC text on white | 2.61:1 | Fails | Lc 50.9 | Large or bold text, headings |
| #81A5BC text on black | 8.04:1 | AAA | Lc -51.0 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE4
oklch(88.4% 0.019 237.8)
-
Step 300
300
#AEC4D3
oklch(80.8% 0.032 237.7)
-
Step 400
400 (this color)
#81A5BC
oklch(70.3% 0.052 236.5)
-
Step 500
500
#6290AD
oklch(63.1% 0.066 236.9)
-
Step 600
600
#477A98
oklch(55.6% 0.072 235.9)
-
Step 700
700
#396782
oklch(49.3% 0.067 236.1)
-
Step 800
800
#2F546A
oklch(42.8% 0.056 236.2)
-
Step 900
900
#2A4556
oklch(37.6% 0.044 237.2)
-
Step 950
950
#192932
oklch(27.1% 0.027 233.8)
#81A5BC 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) | #9BA4BD | 0.033 |
| Deuteranopia (no green cones) | #939DBC | 0.030 |
| Tritanopia (no blue cones) | #6EABAC | 0.040 |
| Achromatopsia (no color) | #A0A0A0 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81A5BC
#81A5BC
oklch(70.3% 0.052 236.5)
- #B99880
#B99880
oklch(70.4% 0.052 57.8)
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 #81A5BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegrey #85A3B2 ΔE 0.014
- Greyblue #77A1B5 ΔE 0.019
- Bluey Grey #89A0B0 ΔE 0.020
- Cool Steel #97A7B3 ΔE 0.031
- Cool Gray #8D99AE ΔE 0.034
- Cool Grey #95A3A6 ΔE 0.038
- Pewter #96A8A1 ΔE 0.049
- Dark Gray #A9A9A9 ΔE 0.061
Use #81A5BC 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.