#81BBD9
Closest named color: Light Cornflower Blue (#98C1D9). oklch(76.3% 0.074 231.5), rgb(129, 187, 217).
Aa
Black text reads best on this color (10.04:1).
About this color
#81BBD9 is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.074 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.032 away. Black text reads best on it, at 10.04:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.04:1 |
| White text | 2.09:1 |
Values
| HEX | #81BBD9 |
| RGB | rgb(129, 187, 217) |
| HSL | hsl(200, 54%, 68%) |
| OKLCH | oklch(76.3% 0.074 231.5) |
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 #81BBD9 | 2.09:1 | Fails | Lc -45.4 | Large or bold text, headings |
| Black text on #81BBD9 | 10.04:1 | AAA | Lc 63.1 | Content text, not long reading |
| #81BBD9 text on white | 2.09:1 | Fails | Lc 40.8 | Non-text elements, placeholder text |
| #81BBD9 text on black | 10.04:1 | AAA | Lc -61.5 | 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
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DCEDF6
oklch(93.6% 0.022 230.5)
-
Step 200
200
#BFDFF0
oklch(88.6% 0.041 231)
-
Step 300
300 (this color)
#81BBD9
oklch(76.3% 0.074 231.5)
-
Step 400
400
#43ADDD
oklch(70.7% 0.118 231.6)
-
Step 500
500
#0096C9
oklch(63.2% 0.128 231.5)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#81BBD9 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) | #ACB9DB | 0.051 |
| Deuteranopia (no green cones) | #A0AFD9 | 0.046 |
| Tritanopia (no blue cones) | #5FC3C5 | 0.053 |
| Achromatopsia (no color) | #B3B3B3 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81BBD9
#81BBD9
oklch(76.3% 0.074 231.5)
- #D9A587
#D9A587
oklch(76.3% 0.074 51.2)
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 #81BBD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.032
- Light Grey Blue #9DBCD4 ΔE 0.033
- Lightblue #7BC8F6 ΔE 0.046
- Sky Blue #87CEEB ΔE 0.053
- Vivid Sky Blue #4CC9F0 ΔE 0.053
- Sky #82CAFC ΔE 0.056
- Cloudy Blue #ACC2D9 ΔE 0.056
- Carolina Blue #8AB8FE ΔE 0.059
Use #81BBD9 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.