#81A3CA
Closest named color: Greyblue (#77A1B5). oklch(70.4% 0.069 252.2), rgb(129, 163, 202).
Aa
Black text reads best on this color (8.02:1).
About this color
#81A3CA is a medium-light, muted blue. In OKLCH its lightness is 70%, its chroma 0.069 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.034 away. Black text reads best on it, at 8.02:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.02:1 |
| White text | 2.61:1 |
Values
| HEX | #81A3CA |
| RGB | rgb(129, 163, 202) |
| HSL | hsl(212, 41%, 65%) |
| OKLCH | oklch(70.4% 0.069 252.2) |
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 #81A3CA | 2.61:1 | Fails | Lc -56.2 | Large or bold text, headings |
| Black text on #81A3CA | 8.02:1 | AAA | Lc 53.0 | Large or bold text, headings |
| #81A3CA text on white | 2.61:1 | Fails | Lc 51.0 | Large or bold text, headings |
| #81A3CA text on black | 8.02:1 | AAA | Lc -50.9 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CEDBE9
oklch(88.6% 0.024 250.1)
-
Step 300
300
#ADC3DC
oklch(80.9% 0.043 251.7)
-
Step 400
400 (this color)
#81A3CA
oklch(70.4% 0.069 252.2)
-
Step 500
500
#628DBD
oklch(63.2% 0.087 251.9)
-
Step 600
600
#4876AA
oklch(55.6% 0.096 252.6)
-
Step 700
700
#396392
oklch(49.1% 0.089 252.5)
-
Step 800
800
#305176
oklch(42.7% 0.073 252.4)
-
Step 900
900
#2A435F
oklch(37.6% 0.057 252.1)
-
Step 950
950
#192838
oklch(27.1% 0.036 250.8)
#81A3CA 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) | #94A4CC | 0.025 |
| Deuteranopia (no green cones) | #8C9DC9 | 0.020 |
| Tritanopia (no blue cones) | #69ACB0 | 0.060 |
| Achromatopsia (no color) | #A0A0A0 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81A3CA
#81A3CA
oklch(70.4% 0.069 252.2)
- #BB9970
#BB9970
oklch(70.4% 0.069 71.6)
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 #81A3CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.034
- Bluegrey #85A3B2 ΔE 0.036
- Bluey Grey #89A0B0 ΔE 0.037
- Cool Gray #8D99AE ΔE 0.043
- Cool Steel #97A7B3 ΔE 0.047
- Cool Grey #95A3A6 ΔE 0.057
- Pewter #96A8A1 ΔE 0.070
- Silver Lake Blue #778DA9 ΔE 0.071
Use #81A3CA 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.