#81AFCF
Closest named color: Cool Steel (#97A7B3). oklch(73.3% 0.068 239.2), rgb(129, 175, 207).
Aa
Black text reads best on this color (8.96:1).
About this color
#81AFCF is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.068 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.045 away. Black text reads best on it, at 8.96:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.96:1 |
| White text | 2.34:1 |
Values
| HEX | #81AFCF |
| RGB | rgb(129, 175, 207) |
| HSL | hsl(205, 45%, 66%) |
| OKLCH | oklch(73.3% 0.068 239.2) |
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 #81AFCF | 2.34:1 | Fails | Lc -51.0 | Large or bold text, headings |
| Black text on #81AFCF | 8.96:1 | AAA | Lc 57.9 | Large or bold text, headings |
| #81AFCF text on white | 2.34:1 | Fails | Lc 46.1 | Large or bold text, headings |
| #81AFCF text on black | 8.96:1 | AAA | Lc -55.9 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDCE7
oklch(88.6% 0.023 237.7)
-
Step 300
300
#A8C5D9
oklch(80.8% 0.042 238.2)
-
Step 400
400 (this color)
#81AFCF
oklch(73.3% 0.068 239.2)
-
Step 500
500
#5591B8
oklch(63.2% 0.086 238.7)
-
Step 600
600
#377AA4
oklch(55.5% 0.094 239.2)
-
Step 700
700
#29678D
oklch(49.1% 0.088 239.1)
-
Step 800
800
#245472
oklch(42.7% 0.072 239)
-
Step 900
900
#23465C
oklch(37.8% 0.055 238.2)
-
Step 950
950
#152936
oklch(27% 0.036 238.5)
#81AFCF 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) | #A1AED1 | 0.040 |
| Deuteranopia (no green cones) | #97A6CE | 0.034 |
| Tritanopia (no blue cones) | #65B7B9 | 0.054 |
| Achromatopsia (no color) | #A9A9A9 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81AFCF
#81AFCF
oklch(73.3% 0.068 239.2)
- #C99F7E
#C99F7E
oklch(73.3% 0.068 59.6)
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 #81AFCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.045
- Bluegrey #85A3B2 ΔE 0.045
- Greyblue #77A1B5 ΔE 0.050
- Bluey Grey #89A0B0 ΔE 0.051
- Light Grey Blue #9DBCD4 ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.058
- Cool Grey #95A3A6 ΔE 0.060
- French Gray #ADB5BD ΔE 0.065
Use #81AFCF 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.