#81A6DF
Closest named color: Carolina Blue (#8AB8FE). oklch(72% 0.093 258.8), rgb(129, 166, 223).
Aa
Black text reads best on this color (8.45:1).
About this color
#81A6DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.093 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.060 away. Black text reads best on it, at 8.45:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 8.45:1 |
| White text | 2.48:1 |
Values
| HEX | #81A6DF |
| RGB | rgb(129, 166, 223) |
| HSL | hsl(216, 59%, 69%) |
| OKLCH | oklch(72% 0.093 258.8) |
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 #81A6DF | 2.48:1 | Fails | Lc -53.8 | Large or bold text, headings |
| Black text on #81A6DF | 8.45:1 | AAA | Lc 55.3 | Large or bold text, headings |
| #81A6DF text on white | 2.48:1 | Fails | Lc 48.7 | Large or bold text, headings |
| #81A6DF text on black | 8.45:1 | AAA | Lc -53.2 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEF
oklch(88.5% 0.032 260)
-
Step 300
300
#AAC2E7
oklch(80.9% 0.059 259)
-
Step 400
400 (this color)
#81A6DF
oklch(72% 0.093 258.8)
-
Step 500
500
#5C8AD1
oklch(63.2% 0.119 258.8)
-
Step 600
600
#4272BE
oklch(55.5% 0.13 259.2)
-
Step 700
700
#3360A4
oklch(49.2% 0.12 258.5)
-
Step 800
800
#2B4E85
oklch(42.6% 0.1 259.1)
-
Step 900
900
#27416A
oklch(37.6% 0.078 259.2)
-
Step 950
950
#17273E
oklch(27.1% 0.048 257.5)
#81A6DF 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) | #91A9E2 | 0.022 |
| Deuteranopia (no green cones) | #87A0DE | 0.017 |
| Tritanopia (no blue cones) | #5FB2BA | 0.082 |
| Achromatopsia (no color) | #A4A4A4 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81A6DF
#81A6DF
oklch(72% 0.093 258.8)
- #C49E5F
#C49E5F
oklch(72% 0.093 79.1)
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 #81A6DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.060
- Periwinkle Blue #8F99FB ΔE 0.062
- Greyblue #77A1B5 ΔE 0.064
- Bluegrey #85A3B2 ΔE 0.065
- Cornflower Blue #6495ED ΔE 0.066
- Bluey Grey #89A0B0 ΔE 0.067
- Cool Steel #97A7B3 ΔE 0.070
- Cool Gray #8D99AE ΔE 0.071
Use #81A6DF 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.