#81A2FD
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.6% 0.138 267.8), rgb(129, 162, 253).
Aa
Black text reads best on this color (8.51:1).
About this color
#81A2FD is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.138 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.027 away. Black text reads best on it, at 8.51:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.51:1 |
| White text | 2.46:1 |
Values
| HEX | #81A2FD |
| RGB | rgb(129, 162, 253) |
| HSL | hsl(224, 97%, 75%) |
| OKLCH | oklch(72.6% 0.138 267.8) |
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 #81A2FD | 2.46:1 | Fails | Lc -53.4 | Large or bold text, headings |
| Black text on #81A2FD | 8.51:1 | AAA | Lc 55.7 | Large or bold text, headings |
| #81A2FD text on white | 2.46:1 | Fails | Lc 48.3 | Large or bold text, headings |
| #81A2FD text on black | 8.51:1 | AAA | Lc -53.7 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CBD9FA
oklch(88.5% 0.048 267.2)
-
Step 300
300
#A8BFF9
oklch(80.8% 0.086 267.7)
-
Step 400
400 (this color)
#81A2FD
oklch(72.6% 0.138 267.8)
-
Step 500
500
#5C80F3
oklch(63.1% 0.177 268)
-
Step 600
600
#4466E1
oklch(55.5% 0.191 267.9)
-
Step 700
700
#3654C4
oklch(49.1% 0.178 267.8)
-
Step 800
800
#2D469E
oklch(42.8% 0.146 267.8)
-
Step 900
900
#273C7E
oklch(37.8% 0.115 267.4)
-
Step 950
950
#17234A
oklch(26.9% 0.074 268.3)
#81A2FD 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) | #7FABFF | 0.023 |
| Deuteranopia (no green cones) | #72A0FB | 0.019 |
| Tritanopia (no blue cones) | #4CB5C4 | 0.122 |
| Achromatopsia (no color) | #A5A5A5 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81A2FD
#81A2FD
oklch(72.6% 0.138 267.8)
- #CBA027
#CBA027
oklch(72.6% 0.138 87.4)
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 #81A2FD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.027
- Cornflower Blue #6495ED ΔE 0.054
- Perrywinkle #8F8CE7 ΔE 0.059
- Carolina Blue #8AB8FE ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.065
- Chefchaouen Blue #4895EF ΔE 0.074
- Periwinkle #8E82FE ΔE 0.080
- Soft Blue #6488EA ΔE 0.082
Use #81A2FD 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.