#81A6EA
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.5% 0.108 262.1), rgb(129, 166, 234).
Aa
Black text reads best on this color (8.57:1).
About this color
#81A6EA is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.108 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.049 away. Black text reads best on it, at 8.57:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.57:1 |
| White text | 2.44:1 |
Values
| HEX | #81A6EA |
| RGB | rgb(129, 166, 234) |
| HSL | hsl(219, 71%, 71%) |
| OKLCH | oklch(72.5% 0.108 262.1) |
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 #81A6EA | 2.44:1 | Fails | Lc -53.1 | Large or bold text, headings |
| Black text on #81A6EA | 8.57:1 | AAA | Lc 55.9 | Large or bold text, headings |
| #81A6EA text on white | 2.44:1 | Fails | Lc 48.1 | Large or bold text, headings |
| #81A6EA text on black | 8.57:1 | AAA | Lc -53.9 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CCDAF3
oklch(88.6% 0.038 262.1)
-
Step 300
300
#A9C1ED
oklch(80.8% 0.068 262.5)
-
Step 400
400 (this color)
#81A6EA
oklch(72.5% 0.108 262.1)
-
Step 500
500
#5A87DC
oklch(63% 0.138 262.1)
-
Step 600
600
#406FCA
oklch(55.6% 0.15 262.1)
-
Step 700
700
#325DAE
oklch(49.1% 0.138 261.7)
-
Step 800
800
#2A4C8D
oklch(42.7% 0.115 262)
-
Step 900
900
#264071
oklch(37.7% 0.09 261.9)
-
Step 950
950
#172642
oklch(27.1% 0.056 262)
#81A6EA 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) | #8DABED | 0.021 |
| Deuteranopia (no green cones) | #81A1E9 | 0.013 |
| Tritanopia (no blue cones) | #59B4BE | 0.095 |
| Achromatopsia (no color) | #A6A6A6 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81A6EA
#81A6EA
oklch(72.5% 0.108 262.1)
- #C89F51
#C89F51
oklch(72.5% 0.108 81.7)
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 #81A6EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.049
- Carolina Blue #8AB8FE ΔE 0.053
- Cornflower Blue #6495ED ΔE 0.061
- Perrywinkle #8F8CE7 ΔE 0.068
- Chefchaouen Blue #4895EF ΔE 0.079
- Greyblue #77A1B5 ΔE 0.079
- Bluegrey #85A3B2 ΔE 0.082
- Pastel Blue #A2BFFE ΔE 0.082
Use #81A6EA 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.