#81ABDF
Closest named color: Carolina Blue (#8AB8FE). oklch(73.1% 0.089 254.2), rgb(129, 171, 223).
Aa
Black text reads best on this color (8.82:1).
About this color
#81ABDF is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.089 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.053 away. Black text reads best on it, at 8.82:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 8.82:1 |
| White text | 2.37:1 |
Values
| HEX | #81ABDF |
| RGB | rgb(129, 171, 223) |
| HSL | hsl(213, 59%, 69%) |
| OKLCH | oklch(73.1% 0.089 254.2) |
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 #81ABDF | 2.37:1 | Fails | Lc -51.8 | Large or bold text, headings |
| Black text on #81ABDF | 8.82:1 | AAA | Lc 57.2 | Large or bold text, headings |
| #81ABDF text on white | 2.37:1 | Fails | Lc 46.8 | Large or bold text, headings |
| #81ABDF text on black | 8.82:1 | AAA | Lc -55.2 | 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
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDBEE
oklch(88.6% 0.031 254.3)
-
Step 300
300
#A9C3E4
oklch(80.9% 0.055 254.5)
-
Step 400
400 (this color)
#81ABDF
oklch(73.1% 0.089 254.2)
-
Step 500
500
#578CCC
oklch(63.1% 0.113 254)
-
Step 600
600
#3B75B9
oklch(55.6% 0.122 253.9)
-
Step 700
700
#2D62A0
oklch(49.2% 0.115 254.1)
-
Step 800
800
#265081
oklch(42.6% 0.094 253.9)
-
Step 900
900
#244368
oklch(37.8% 0.074 253.9)
-
Step 950
950
#16273D
oklch(27% 0.047 255.4)
#81ABDF 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) | #97ADE1 | 0.028 |
| Deuteranopia (no green cones) | #8CA4DE | 0.021 |
| Tritanopia (no blue cones) | #5EB7BD | 0.078 |
| Achromatopsia (no color) | #A8A8A8 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81ABDF
#81ABDF
oklch(73.1% 0.089 254.2)
- #C9A067
#C9A067
oklch(73.1% 0.089 74.8)
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 #81ABDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.053
- Bluegrey #85A3B2 ΔE 0.064
- Greyblue #77A1B5 ΔE 0.064
- Cool Steel #97A7B3 ΔE 0.065
- Light Grey Blue #9DBCD4 ΔE 0.066
- Bluey Grey #89A0B0 ΔE 0.067
- Light Cornflower Blue #98C1D9 ΔE 0.072
- Periwinkle Blue #8F99FB ΔE 0.072
Use #81ABDF 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.