#81AEC6
Closest named color: Bluegrey (#85A3B2). oklch(72.7% 0.059 231.9), rgb(129, 174, 198).
Aa
Black text reads best on this color (8.80:1).
About this color
#81AEC6 is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.059 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegrey (#85A3B2), ΔE 0.035 away. Black text reads best on it, at 8.80:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Bluegrey (#85A3B2) |
| Black text | 8.80:1 |
| White text | 2.38:1 |
Values
| HEX | #81AEC6 |
| RGB | rgb(129, 174, 198) |
| HSL | hsl(201, 38%, 64%) |
| OKLCH | oklch(72.7% 0.059 231.9) |
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 #81AEC6 | 2.38:1 | Fails | Lc -51.9 | Large or bold text, headings |
| Black text on #81AEC6 | 8.80:1 | AAA | Lc 57.0 | Large or bold text, headings |
| #81AEC6 text on white | 2.38:1 | Fails | Lc 47.0 | Large or bold text, headings |
| #81AEC6 text on black | 8.80:1 | AAA | Lc -55.1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#AAC5D5
oklch(80.8% 0.037 233.9)
-
Step 400
400 (this color)
#81AEC6
oklch(72.7% 0.059 231.9)
-
Step 500
500
#5792B0
oklch(63.1% 0.076 231.9)
-
Step 600
600
#3A7C9B
oklch(55.7% 0.082 231.2)
-
Step 700
700
#2C6885
oklch(49.1% 0.077 232.4)
-
Step 800
800
#26556C
oklch(42.7% 0.064 232.2)
-
Step 900
900
#244657
oklch(37.6% 0.049 231.8)
-
Step 950
950
#162933
oklch(26.9% 0.031 232.5)
#81AEC6 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) | #A2ACC7 | 0.041 |
| Deuteranopia (no green cones) | #98A4C6 | 0.037 |
| Tritanopia (no blue cones) | #69B5B6 | 0.044 |
| Achromatopsia (no color) | #A8A8A8 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81AEC6
#81AEC6
oklch(72.7% 0.059 231.9)
- #C69D85
#C69D85
oklch(72.8% 0.059 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 #81AEC6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegrey #85A3B2 ΔE 0.035
- Cool Steel #97A7B3 ΔE 0.036
- Greyblue #77A1B5 ΔE 0.042
- Bluey Grey #89A0B0 ΔE 0.042
- Cool Grey #95A3A6 ΔE 0.049
- Pewter #96A8A1 ΔE 0.054
- Light Grey Blue #9DBCD4 ΔE 0.055
- Cool Gray #8D99AE ΔE 0.058
Use #81AEC6 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.