#81A9BE
Closest named color: Bluegrey (#85A3B2). oklch(71.3% 0.053 231.3), rgb(129, 169, 190).
Aa
Black text reads best on this color (8.35:1).
About this color
#81A9BE is a medium-light, muted blue. In OKLCH its lightness is 71%, its chroma 0.053 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegrey (#85A3B2), ΔE 0.020 away. Black text reads best on it, at 8.35:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Bluegrey (#85A3B2) |
| Black text | 8.35:1 |
| White text | 2.51:1 |
Values
| HEX | #81A9BE |
| RGB | rgb(129, 169, 190) |
| HSL | hsl(201, 32%, 63%) |
| OKLCH | oklch(71.3% 0.053 231.3) |
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 #81A9BE | 2.51:1 | Fails | Lc -54.4 | Large or bold text, headings |
| Black text on #81A9BE | 8.35:1 | AAA | Lc 54.7 | Large or bold text, headings |
| #81A9BE text on white | 2.51:1 | Fails | Lc 49.3 | Large or bold text, headings |
| #81A9BE text on black | 8.35:1 | AAA | Lc -52.7 | 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
#CEDCE3
oklch(88.6% 0.018 229)
-
Step 300
300
#ACC5D2
oklch(80.9% 0.033 230.4)
-
Step 400
400 (this color)
#81A9BE
oklch(71.3% 0.053 231.3)
-
Step 500
500
#5D91AB
oklch(63% 0.068 231)
-
Step 600
600
#427B97
oklch(55.6% 0.074 231.5)
-
Step 700
700
#346881
oklch(49.2% 0.068 231.3)
-
Step 800
800
#2C5569
oklch(42.8% 0.057 231.3)
-
Step 900
900
#284655
oklch(37.7% 0.044 231.3)
-
Step 950
950
#182932
oklch(27% 0.028 232.3)
#81A9BE 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) | #9FA7BF | 0.038 |
| Deuteranopia (no green cones) | #96A0BE | 0.034 |
| Tritanopia (no blue cones) | #6DAFB0 | 0.038 |
| Achromatopsia (no color) | #A3A3A3 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81A9BE
#81A9BE
oklch(71.3% 0.053 231.3)
- #BE9A85
#BE9A85
oklch(71.4% 0.052 51.8)
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 #81A9BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegrey #85A3B2 ΔE 0.020
- Bluey Grey #89A0B0 ΔE 0.027
- Greyblue #77A1B5 ΔE 0.028
- Cool Steel #97A7B3 ΔE 0.029
- Cool Grey #95A3A6 ΔE 0.039
- Cool Gray #8D99AE ΔE 0.044
- Pewter #96A8A1 ΔE 0.047
- Dark Gray #A9A9A9 ΔE 0.057
Use #81A9BE 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.