#81AEC0
Closest named color: Bluegrey (#85A3B2). oklch(72.5% 0.055 224.6), rgb(129, 174, 192).
Aa
Black text reads best on this color (8.74:1).
About this color
#81AEC0 is a medium-light, muted teal or cyan. In OKLCH its lightness is 72%, its chroma 0.055 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegrey (#85A3B2), ΔE 0.031 away. Black text reads best on it, at 8.74:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Bluegrey (#85A3B2) |
| Black text | 8.74:1 |
| White text | 2.40:1 |
Values
| HEX | #81AEC0 |
| RGB | rgb(129, 174, 192) |
| HSL | hsl(197, 33%, 63%) |
| OKLCH | oklch(72.5% 0.055 224.6) |
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 #81AEC0 | 2.40:1 | Fails | Lc -52.2 | Large or bold text, headings |
| Black text on #81AEC0 | 8.74:1 | AAA | Lc 56.7 | Large or bold text, headings |
| #81AEC0 text on white | 2.40:1 | Fails | Lc 47.2 | Large or bold text, headings |
| #81AEC0 text on black | 8.74:1 | AAA | Lc -54.8 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CDDCE3
oklch(88.5% 0.019 227.3)
-
Step 300
300
#AAC6D1
oklch(80.9% 0.034 223.5)
-
Step 400
400 (this color)
#81AEC0
oklch(72.5% 0.055 224.6)
-
Step 500
500
#5893A9
oklch(63.1% 0.07 224)
-
Step 600
600
#3B7D95
oklch(55.7% 0.076 224.6)
-
Step 700
700
#2D697F
oklch(49.1% 0.071 225.2)
-
Step 800
800
#265667
oklch(42.7% 0.059 224)
-
Step 900
900
#244754
oklch(37.7% 0.046 224.4)
-
Step 950
950
#162A31
oklch(27.1% 0.029 222.4)
#81AEC0 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) | #A4ACC1 | 0.044 |
| Deuteranopia (no green cones) | #9AA4C0 | 0.039 |
| Tritanopia (no blue cones) | #6CB4B4 | 0.036 |
| Achromatopsia (no color) | #A7A7A7 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81AEC0
#81AEC0
oklch(72.5% 0.055 224.6)
- #C49C8A
#C49C8A
oklch(72.5% 0.054 45.5)
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 #81AEC0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegrey #85A3B2 ΔE 0.031
- Cool Steel #97A7B3 ΔE 0.032
- Bluey Grey #89A0B0 ΔE 0.039
- Greyblue #77A1B5 ΔE 0.039
- Cool Grey #95A3A6 ΔE 0.043
- Pewter #96A8A1 ΔE 0.046
- Dark Gray #A9A9A9 ΔE 0.056
- Cool Gray #8D99AE ΔE 0.056
Use #81AEC0 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.