#81AFDA
Closest named color: Light Grey Blue (#9DBCD4). oklch(73.7% 0.08 247.3), rgb(129, 175, 218).
Aa
Black text reads best on this color (9.07:1).
About this color
#81AFDA is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.080 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.054 away. Black text reads best on it, at 9.07:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.07:1 |
| White text | 2.31:1 |
Values
| HEX | #81AFDA |
| RGB | rgb(129, 175, 218) |
| HSL | hsl(209, 55%, 68%) |
| OKLCH | oklch(73.7% 0.08 247.3) |
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 #81AFDA | 2.31:1 | Fails | Lc -50.4 | Large or bold text, headings |
| Black text on #81AFDA | 9.07:1 | AAA | Lc 58.4 | Large or bold text, headings |
| #81AFDA text on white | 2.31:1 | Fails | Lc 45.6 | Large or bold text, headings |
| #81AFDA text on black | 9.07:1 | AAA | Lc -56.5 | 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
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CBDBEB
oklch(88.4% 0.028 248.1)
-
Step 300
300
#A8C4E0
oklch(80.9% 0.05 248.4)
-
Step 400
400 (this color)
#81AFDA
oklch(73.7% 0.08 247.3)
-
Step 500
500
#538FC4
oklch(63.2% 0.102 246.9)
-
Step 600
600
#3678B0
oklch(55.6% 0.11 247.1)
-
Step 700
700
#286598
oklch(49.2% 0.103 247.2)
-
Step 800
800
#23527B
oklch(42.6% 0.085 247.7)
-
Step 900
900
#224463
oklch(37.6% 0.067 248)
-
Step 950
950
#14283A
oklch(26.9% 0.043 247.2)
#81AFDA 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) | #9EB0DC | 0.036 |
| Deuteranopia (no green cones) | #93A6D9 | 0.030 |
| Tritanopia (no blue cones) | #60B9BD | 0.068 |
| Achromatopsia (no color) | #AAAAAA | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81AFDA
#81AFDA
oklch(73.7% 0.08 247.3)
- #CCA173
#CCA173
oklch(73.8% 0.08 68)
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 #81AFDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.054
- Carolina Blue #8AB8FE ΔE 0.055
- Cool Steel #97A7B3 ΔE 0.058
- Bluegrey #85A3B2 ΔE 0.059
- Light Cornflower Blue #98C1D9 ΔE 0.060
- Greyblue #77A1B5 ΔE 0.061
- Bluey Grey #89A0B0 ΔE 0.063
- Lightblue #7BC8F6 ΔE 0.069
Use #81AFDA 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.