#81BBCC
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.8% 0.065 218.1), rgb(129, 187, 204).
Aa
Black text reads best on this color (9.91:1).
About this color
#81BBCC is a medium-light, muted teal or cyan. In OKLCH its lightness is 76%, its chroma 0.065 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.036 away. Black text reads best on it, at 9.91:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.91:1 |
| White text | 2.11:1 |
Values
| HEX | #81BBCC |
| RGB | rgb(129, 187, 204) |
| HSL | hsl(194, 42%, 65%) |
| OKLCH | oklch(75.8% 0.065 218.1) |
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 #81BBCC | 2.11:1 | Fails | Lc -46.1 | Large or bold text, headings |
| Black text on #81BBCC | 9.91:1 | AAA | Lc 62.5 | Content text, not long reading |
| #81BBCC text on white | 2.11:1 | Fails | Lc 41.5 | Non-text elements, placeholder text |
| #81BBCC text on black | 9.91:1 | AAA | Lc -60.8 | Content text, not long reading |
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 300.
-
Step 50
50
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DDEDF2
oklch(93.6% 0.018 218.4)
-
Step 200
200
#C0DFE9
oklch(88.4% 0.036 219.2)
-
Step 300
300 (this color)
#81BBCC
oklch(75.8% 0.065 218.1)
-
Step 400
400
#46B0CB
oklch(70.7% 0.103 217.7)
-
Step 500
500
#0099B7
oklch(63.1% 0.114 218.3)
-
Step 600
600
#00819A
oklch(55.7% 0.1 217.7)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#004A59
oklch(37.7% 0.067 217.2)
-
Step 950
950
#002C36
oklch(27% 0.048 217.4)
#81BBCC 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) | #B0B7CD | 0.057 |
| Deuteranopia (no green cones) | #A4AECC | 0.052 |
| Tritanopia (no blue cones) | #65C1C0 | 0.039 |
| Achromatopsia (no color) | #B2B2B2 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81BBCC
#81BBCC
oklch(75.8% 0.065 218.1)
- #D6A393
#D6A393
oklch(75.9% 0.065 38.1)
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 #81BBCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.036
- Light Cornflower Blue #98C1D9 ΔE 0.037
- French Gray #ADB5BD ΔE 0.054
- Cool Steel #97A7B3 ΔE 0.057
- Cloudy Blue #ACC2D9 ΔE 0.059
- Sky Blue #87CEEB ΔE 0.060
- Lightblue #7BC8F6 ΔE 0.061
- Vivid Sky Blue #4CC9F0 ΔE 0.062
Use #81BBCC 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.