#81ABDA
Closest named color: Bluegrey (#85A3B2). oklch(72.8% 0.082 251.8), rgb(129, 171, 218).
Aa
Black text reads best on this color (8.77:1).
About this color
#81ABDA is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.082 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegrey (#85A3B2), ΔE 0.057 away. Black text reads best on it, at 8.77:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Bluegrey (#85A3B2) |
| Black text | 8.77:1 |
| White text | 2.39:1 |
Values
| HEX | #81ABDA |
| RGB | rgb(129, 171, 218) |
| HSL | hsl(212, 55%, 68%) |
| OKLCH | oklch(72.8% 0.082 251.8) |
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 #81ABDA | 2.39:1 | Fails | Lc -52.1 | Large or bold text, headings |
| Black text on #81ABDA | 8.77:1 | AAA | Lc 56.9 | Large or bold text, headings |
| #81ABDA text on white | 2.39:1 | Fails | Lc 47.1 | Large or bold text, headings |
| #81ABDA text on black | 8.77:1 | AAA | Lc -54.9 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBEC
oklch(88.5% 0.029 251.5)
-
Step 300
300
#A9C3E2
oklch(80.8% 0.052 253)
-
Step 400
400 (this color)
#81ABDA
oklch(72.8% 0.082 251.8)
-
Step 500
500
#588DC7
oklch(63.1% 0.105 251.8)
-
Step 600
600
#3C76B4
oklch(55.6% 0.115 251.9)
-
Step 700
700
#2E639B
oklch(49.1% 0.106 251.9)
-
Step 800
800
#27517E
oklch(42.7% 0.089 252)
-
Step 900
900
#244365
oklch(37.6% 0.069 252.1)
-
Step 950
950
#16283B
oklch(27.1% 0.043 250.9)
#81ABDA 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) | #99ACDC | 0.030 |
| Deuteranopia (no green cones) | #8EA3D9 | 0.025 |
| Tritanopia (no blue cones) | #61B6BB | 0.072 |
| Achromatopsia (no color) | #A7A7A7 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81ABDA
#81ABDA
oklch(72.8% 0.082 251.8)
- #C89F6D
#C89F6D
oklch(72.9% 0.082 71.5)
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 #81ABDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegrey #85A3B2 ΔE 0.057
- Greyblue #77A1B5 ΔE 0.058
- Carolina Blue #8AB8FE ΔE 0.058
- Cool Steel #97A7B3 ΔE 0.059
- Bluey Grey #89A0B0 ΔE 0.060
- Light Grey Blue #9DBCD4 ΔE 0.063
- Cool Gray #8D99AE ΔE 0.069
- Light Cornflower Blue #98C1D9 ΔE 0.070
Use #81ABDA 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.