#81A2DF
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.1% 0.097 262.3), rgb(129, 162, 223).
Aa
Black text reads best on this color (8.16:1).
About this color
#81A2DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.097 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.056 away. Black text reads best on it, at 8.16:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.16:1 |
| White text | 2.57:1 |
Values
| HEX | #81A2DF |
| RGB | rgb(129, 162, 223) |
| HSL | hsl(219, 59%, 69%) |
| OKLCH | oklch(71.1% 0.097 262.3) |
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 #81A2DF | 2.57:1 | Fails | Lc -55.4 | Large or bold text, headings |
| Black text on #81A2DF | 8.16:1 | AAA | Lc 53.8 | Large or bold text, headings |
| #81A2DF text on white | 2.57:1 | Fails | Lc 50.2 | Large or bold text, headings |
| #81A2DF text on black | 8.16:1 | AAA | Lc -51.7 | 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
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CDDAF0
oklch(88.5% 0.033 261)
-
Step 300
300
#ACC1E9
oklch(80.9% 0.061 263.2)
-
Step 400
400 (this color)
#81A2DF
oklch(71.1% 0.097 262.3)
-
Step 500
500
#6088D4
oklch(63.1% 0.123 262.3)
-
Step 600
600
#4670C1
oklch(55.5% 0.135 262.2)
-
Step 700
700
#385EA7
oklch(49.2% 0.125 262.1)
-
Step 800
800
#2F4D87
oklch(42.7% 0.103 262.3)
-
Step 900
900
#29406C
oklch(37.6% 0.081 262.3)
-
Step 950
950
#18263F
oklch(27% 0.051 261.4)
#81A2DF 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) | #8CA6E2 | 0.019 |
| Deuteranopia (no green cones) | #829DDE | 0.013 |
| Tritanopia (no blue cones) | #60AFB7 | 0.087 |
| Achromatopsia (no color) | #A1A1A1 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81A2DF
#81A2DF
oklch(71.1% 0.097 262.3)
- #C09C58
#C09C58
oklch(71.1% 0.097 82)
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 #81A2DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.058
- Perrywinkle #8F8CE7 ΔE 0.063
- Greyblue #77A1B5 ΔE 0.065
- Carolina Blue #8AB8FE ΔE 0.068
- Bluegrey #85A3B2 ΔE 0.068
- Bluey Grey #89A0B0 ΔE 0.069
- Cool Gray #8D99AE ΔE 0.070
Use #81A2DF 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.