#81AEDD
Closest named color: Carolina Blue (#8AB8FE). oklch(73.6% 0.084 250.1), rgb(129, 174, 221).
Aa
Black text reads best on this color (9.03:1).
About this color
#81AEDD is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.084 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.052 away. Black text reads best on it, at 9.03:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.03:1 |
| White text | 2.32:1 |
Values
| HEX | #81AEDD |
| RGB | rgb(129, 174, 221) |
| HSL | hsl(211, 58%, 69%) |
| OKLCH | oklch(73.6% 0.084 250.1) |
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 #81AEDD | 2.32:1 | Fails | Lc -50.7 | Large or bold text, headings |
| Black text on #81AEDD | 9.03:1 | AAA | Lc 58.2 | Large or bold text, headings |
| #81AEDD text on white | 2.32:1 | Fails | Lc 45.8 | Large or bold text, headings |
| #81AEDD text on black | 9.03:1 | AAA | Lc -56.3 | Large or bold text, headings |
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 400.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CBDBEC
oklch(88.5% 0.029 249.8)
-
Step 300
300
#A8C4E2
oklch(81% 0.052 250.3)
-
Step 400
400 (this color)
#81AEDD
oklch(73.6% 0.084 250.1)
-
Step 500
500
#548EC8
oklch(63.2% 0.107 249.9)
-
Step 600
600
#3777B5
oklch(55.7% 0.117 250.1)
-
Step 700
700
#29649B
oklch(49.2% 0.107 249.6)
-
Step 800
800
#23517E
oklch(42.6% 0.09 250.4)
-
Step 900
900
#224465
oklch(37.7% 0.069 249.5)
-
Step 950
950
#15283B
oklch(27.1% 0.044 249.7)
#81AEDD 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) | #9CAFDF | 0.033 |
| Deuteranopia (no green cones) | #90A6DC | 0.026 |
| Tritanopia (no blue cones) | #5FB9BE | 0.072 |
| Achromatopsia (no color) | #AAAAAA | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81AEDD
#81AEDD
oklch(73.6% 0.084 250.1)
- #CCA16E
#CCA16E
oklch(73.7% 0.084 70.7)
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 #81AEDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.052
- Light Grey Blue #9DBCD4 ΔE 0.058
- Cool Steel #97A7B3 ΔE 0.062
- Bluegrey #85A3B2 ΔE 0.062
- Light Cornflower Blue #98C1D9 ΔE 0.063
- Greyblue #77A1B5 ΔE 0.064
- Bluey Grey #89A0B0 ΔE 0.066
- Lightblue #7BC8F6 ΔE 0.070
Use #81AEDD 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.