#81AECF
Closest named color: Bluegrey (#85A3B2). oklch(73.1% 0.068 240.6), rgb(129, 174, 207).
Aa
Black text reads best on this color (8.88:1).
About this color
#81AECF is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.068 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegrey (#85A3B2), ΔE 0.044 away. Black text reads best on it, at 8.88:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Bluegrey (#85A3B2) |
| Black text | 8.88:1 |
| White text | 2.36:1 |
Values
| HEX | #81AECF |
| RGB | rgb(129, 174, 207) |
| HSL | hsl(205, 45%, 66%) |
| OKLCH | oklch(73.1% 0.068 240.6) |
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 #81AECF | 2.36:1 | Fails | Lc -51.5 | Large or bold text, headings |
| Black text on #81AECF | 8.88:1 | AAA | Lc 57.5 | Large or bold text, headings |
| #81AECF text on white | 2.36:1 | Fails | Lc 46.5 | Large or bold text, headings |
| #81AECF text on black | 8.88:1 | AAA | Lc -55.5 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDCE8
oklch(88.6% 0.024 240.1)
-
Step 300
300
#A9C5DA
oklch(80.9% 0.042 240.5)
-
Step 400
400 (this color)
#81AECF
oklch(73.1% 0.068 240.6)
-
Step 500
500
#5690B9
oklch(63% 0.087 240.8)
-
Step 600
600
#397AA5
oklch(55.6% 0.094 240.4)
-
Step 700
700
#2B678E
oklch(49.3% 0.088 240.4)
-
Step 800
800
#255473
oklch(42.8% 0.073 240.4)
-
Step 900
900
#23455D
oklch(37.6% 0.057 241.3)
-
Step 950
950
#152936
oklch(27% 0.036 238.5)
#81AECF 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) | #A0ADD1 | 0.039 |
| Deuteranopia (no green cones) | #95A5CE | 0.032 |
| Tritanopia (no blue cones) | #66B6B9 | 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°).
- #81AECF
#81AECF
oklch(73.1% 0.068 240.6)
- #C89E7C
#C89E7C
oklch(73% 0.068 60.4)
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 #81AECF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegrey #85A3B2 ΔE 0.044
- Cool Steel #97A7B3 ΔE 0.044
- Greyblue #77A1B5 ΔE 0.049
- Bluey Grey #89A0B0 ΔE 0.050
- Light Grey Blue #9DBCD4 ΔE 0.054
- Cool Grey #95A3A6 ΔE 0.060
- Light Cornflower Blue #98C1D9 ΔE 0.061
- Cool Gray #8D99AE ΔE 0.063
Use #81AECF 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.