#81BBD4
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.1% 0.07 226.8), rgb(129, 187, 212).
Aa
Black text reads best on this color (9.99:1).
About this color
#81BBD4 is a medium-light, muted teal or cyan. In OKLCH its lightness is 76%, its chroma 0.070 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.033 away. Black text reads best on it, at 9.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.99:1 |
| White text | 2.10:1 |
Values
| HEX | #81BBD4 |
| RGB | rgb(129, 187, 212) |
| HSL | hsl(198, 49%, 67%) |
| OKLCH | oklch(76.1% 0.07 226.8) |
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 #81BBD4 | 2.10:1 | Fails | Lc -45.7 | Large or bold text, headings |
| Black text on #81BBD4 | 9.99:1 | AAA | Lc 62.9 | Content text, not long reading |
| #81BBD4 text on white | 2.10:1 | Fails | Lc 41.1 | Non-text elements, placeholder text |
| #81BBD4 text on black | 9.99:1 | AAA | Lc -61.2 | 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
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DDEDF4
oklch(93.6% 0.019 225.7)
-
Step 200
200
#BFDFED
oklch(88.5% 0.039 226.1)
-
Step 300
300 (this color)
#81BBD4
oklch(76.1% 0.07 226.8)
-
Step 400
400
#44AED6
oklch(70.6% 0.112 226.8)
-
Step 500
500
#0097C2
oklch(63.1% 0.122 226.9)
-
Step 600
600
#007FA3
oklch(55.6% 0.107 226.4)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#81BBD4 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) | #AEB8D5 | 0.054 |
| Deuteranopia (no green cones) | #A1AFD4 | 0.047 |
| Tritanopia (no blue cones) | #61C2C3 | 0.048 |
| Achromatopsia (no color) | #B3B3B3 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81BBD4
#81BBD4
oklch(76.1% 0.07 226.8)
- #D8A48C
#D8A48C
oklch(76.1% 0.07 45.9)
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 #81BBD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.033
- Lightblue #7BC8F6 ΔE 0.051
- Sky Blue #87CEEB ΔE 0.055
- Vivid Sky Blue #4CC9F0 ΔE 0.056
- Cloudy Blue #ACC2D9 ΔE 0.057
- French Gray #ADB5BD ΔE 0.057
- Sky #82CAFC ΔE 0.061
Use #81BBD4 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.