#81A3CE
Closest named color: Greyblue (#77A1B5). oklch(70.6% 0.074 254.6), rgb(129, 163, 206).
Aa
Black text reads best on this color (8.06:1).
About this color
#81A3CE is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.074 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.040 away. Black text reads best on it, at 8.06:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.06:1 |
| White text | 2.60:1 |
Values
| HEX | #81A3CE |
| RGB | rgb(129, 163, 206) |
| HSL | hsl(214, 44%, 66%) |
| OKLCH | oklch(70.6% 0.074 254.6) |
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 #81A3CE | 2.60:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #81A3CE | 8.06:1 | AAA | Lc 53.2 | Large or bold text, headings |
| #81A3CE text on white | 2.60:1 | Fails | Lc 50.8 | Large or bold text, headings |
| #81A3CE text on black | 8.06:1 | AAA | Lc -51.1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CEDAEA
oklch(88.4% 0.026 255.6)
-
Step 300
300
#ADC3DF
oklch(81% 0.046 254.5)
-
Step 400
400 (this color)
#81A3CE
oklch(70.6% 0.074 254.6)
-
Step 500
500
#618CC2
oklch(63.1% 0.095 254.6)
-
Step 600
600
#4775AE
oklch(55.5% 0.103 254.6)
-
Step 700
700
#396296
oklch(49.1% 0.096 255.1)
-
Step 800
800
#2F5079
oklch(42.6% 0.079 254.6)
-
Step 900
900
#2A4362
oklch(37.8% 0.062 254.4)
-
Step 950
950
#192739
oklch(26.9% 0.039 255.1)
#81A3CE 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) | #93A5D0 | 0.024 |
| Deuteranopia (no green cones) | #8A9DCD | 0.018 |
| Tritanopia (no blue cones) | #68ACB1 | 0.064 |
| Achromatopsia (no color) | #A0A0A0 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81A3CE
#81A3CE
oklch(70.6% 0.074 254.6)
- #BC9A6C
#BC9A6C
oklch(70.6% 0.074 74.5)
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 #81A3CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.040
- Bluegrey #85A3B2 ΔE 0.042
- Bluey Grey #89A0B0 ΔE 0.043
- Cool Gray #8D99AE ΔE 0.048
- Cool Steel #97A7B3 ΔE 0.052
- Cool Grey #95A3A6 ΔE 0.063
- Silver Lake Blue #778DA9 ΔE 0.074
- Pewter #96A8A1 ΔE 0.075
Use #81A3CE 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.