#81ADE0
Closest named color: Carolina Blue (#8AB8FE). oklch(73.5% 0.088 252.6), rgb(129, 173, 224).
Aa
Black text reads best on this color (8.98:1).
About this color
#81ADE0 is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.088 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.049 away. Black text reads best on it, at 8.98:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 8.98:1 |
| White text | 2.33:1 |
Values
| HEX | #81ADE0 |
| RGB | rgb(129, 173, 224) |
| HSL | hsl(212, 61%, 69%) |
| OKLCH | oklch(73.5% 0.088 252.6) |
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 #81ADE0 | 2.33:1 | Fails | Lc -50.9 | Large or bold text, headings |
| Black text on #81ADE0 | 8.98:1 | AAA | Lc 58.0 | Large or bold text, headings |
| #81ADE0 text on white | 2.33:1 | Fails | Lc 46.0 | Large or bold text, headings |
| #81ADE0 text on black | 8.98:1 | AAA | Lc -56.1 | 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
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300
#A8C3E4
oklch(80.8% 0.055 253.6)
-
Step 400
400 (this color)
#81ADE0
oklch(73.5% 0.088 252.6)
-
Step 500
500
#558DCC
oklch(63.2% 0.113 252.5)
-
Step 600
600
#3876B9
oklch(55.7% 0.123 252.4)
-
Step 700
700
#2A629F
oklch(49% 0.114 252.9)
-
Step 800
800
#245181
oklch(42.8% 0.094 252.2)
-
Step 900
900
#234367
oklch(37.7% 0.073 252.7)
-
Step 950
950
#15273D
oklch(26.9% 0.048 254.2)
#81ADE0 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) | #99AFE2 | 0.030 |
| Deuteranopia (no green cones) | #8EA5DF | 0.025 |
| Tritanopia (no blue cones) | #5DB8BE | 0.077 |
| Achromatopsia (no color) | #A9A9A9 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81ADE0
#81ADE0
oklch(73.5% 0.088 252.6)
- #CCA16A
#CCA16A
oklch(73.6% 0.088 72.6)
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 #81ADE0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.049
- Light Grey Blue #9DBCD4 ΔE 0.062
- Bluegrey #85A3B2 ΔE 0.066
- Cool Steel #97A7B3 ΔE 0.066
- Greyblue #77A1B5 ΔE 0.067
- Light Cornflower Blue #98C1D9 ΔE 0.067
- Bluey Grey #89A0B0 ΔE 0.069
- Lightblue #7BC8F6 ΔE 0.071
Use #81ADE0 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.