#81BFEE
Closest named color: Lightblue (#7BC8F6). oklch(78% 0.093 242.1), rgb(129, 191, 238).
Aa
Black text reads best on this color (10.62:1).
About this color
#81BFEE is a light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.093 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.024 away. Black text reads best on it, at 10.62:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.62:1 |
| White text | 1.97:1 |
Values
| HEX | #81BFEE |
| RGB | rgb(129, 191, 238) |
| HSL | hsl(206, 76%, 72%) |
| OKLCH | oklch(78% 0.093 242.1) |
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 #81BFEE | 1.97:1 | Fails | Lc -42.5 | Non-text elements, placeholder text |
| Black text on #81BFEE | 10.62:1 | AAA | Lc 65.8 | Content text, not long reading |
| #81BFEE text on white | 1.97:1 | Fails | Lc 38.1 | Non-text elements, placeholder text |
| #81BFEE text on black | 10.62:1 | AAA | Lc -64.3 | 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
#EFF7FD
oklch(97.2% 0.012 239.9)
-
Step 100
100
#DBEDFB
oklch(93.7% 0.027 241.2)
-
Step 200
200
#BCDEF9
oklch(88.5% 0.052 242.2)
-
Step 300
300 (this color)
#81BFEE
oklch(78% 0.093 242.1)
-
Step 400
400
#35AAF4
oklch(70.8% 0.148 241.8)
-
Step 500
500
#0092DB
oklch(63.2% 0.149 241.7)
-
Step 600
600
#007AB9
oklch(55.5% 0.132 242.1)
-
Step 700
700
#00679D
oklch(49.2% 0.117 242)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#00466D
oklch(37.8% 0.09 242.2)
-
Step 950
950
#002943
oklch(27% 0.065 242.6)
#81BFEE 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) | #ABBFF0 | 0.049 |
| Deuteranopia (no green cones) | #9CB3ED | 0.041 |
| Tritanopia (no blue cones) | #51CBCF | 0.076 |
| Achromatopsia (no color) | #B8B8B8 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81BFEE
#81BFEE
oklch(78% 0.093 242.1)
- #E3AA79
#E3AA79
oklch(78% 0.093 61.5)
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 #81BFEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.024
- Sky #82CAFC ΔE 0.032
- Carolina Blue #8AB8FE ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.041
- Sky Blue #87CEEB ΔE 0.044
- Light Grey Blue #9DBCD4 ΔE 0.045
- Pastel Blue #A2BFFE ΔE 0.046
Use #81BFEE 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.