#81BBDF
Closest named color: Light Cornflower Blue (#98C1D9). oklch(76.5% 0.079 236.5), rgb(129, 187, 223).
Aa
Black text reads best on this color (10.10:1).
About this color
#81BBDF is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.079 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.034 away. Black text reads best on it, at 10.10:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.10:1 |
| White text | 2.07:1 |
Values
| HEX | #81BBDF |
| RGB | rgb(129, 187, 223) |
| HSL | hsl(203, 59%, 69%) |
| OKLCH | oklch(76.5% 0.079 236.5) |
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 #81BBDF | 2.07:1 | Fails | Lc -45.1 | Large or bold text, headings |
| Black text on #81BBDF | 10.10:1 | AAA | Lc 63.4 | Content text, not long reading |
| #81BBDF text on white | 2.07:1 | Fails | Lc 40.5 | Non-text elements, placeholder text |
| #81BBDF text on black | 10.10:1 | AAA | Lc -61.8 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DCEDF7
oklch(93.6% 0.023 233.4)
-
Step 200
200
#BFDEF3
oklch(88.5% 0.044 237.6)
-
Step 300
300 (this color)
#81BBDF
oklch(76.5% 0.079 236.5)
-
Step 400
400
#42ACE5
oklch(70.8% 0.127 236.3)
-
Step 500
500
#0094D1
oklch(63.1% 0.137 236.6)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#81BBDF 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) | #ABBAE1 | 0.050 |
| Deuteranopia (no green cones) | #9EAFDE | 0.044 |
| Tritanopia (no blue cones) | #5BC4C7 | 0.061 |
| Achromatopsia (no color) | #B4B4B4 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81BBDF
#81BBDF
oklch(76.5% 0.079 236.5)
- #DAA681
#DAA681
oklch(76.5% 0.079 56.6)
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 #81BBDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.034
- Light Grey Blue #9DBCD4 ΔE 0.035
- Lightblue #7BC8F6 ΔE 0.041
- Sky #82CAFC ΔE 0.050
- Carolina Blue #8AB8FE ΔE 0.050
- Vivid Sky Blue #4CC9F0 ΔE 0.051
- Sky Blue #87CEEB ΔE 0.052
- Cloudy Blue #ACC2D9 ΔE 0.057
Use #81BBDF 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.