#81AACA
Closest named color: Bluegrey (#85A3B2). oklch(72% 0.065 242.2), rgb(129, 170, 202).
Aa
Black text reads best on this color (8.53:1).
About this color
#81AACA is a medium-light, muted blue. In OKLCH its lightness is 72%, its chroma 0.065 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegrey (#85A3B2), ΔE 0.035 away. Black text reads best on it, at 8.53:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Bluegrey (#85A3B2) |
| Black text | 8.53:1 |
| White text | 2.46:1 |
Values
| HEX | #81AACA |
| RGB | rgb(129, 170, 202) |
| HSL | hsl(206, 41%, 65%) |
| OKLCH | oklch(72% 0.065 242.2) |
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 #81AACA | 2.46:1 | Fails | Lc -53.4 | Large or bold text, headings |
| Black text on #81AACA | 8.53:1 | AAA | Lc 55.7 | Large or bold text, headings |
| #81AACA text on white | 2.46:1 | Fails | Lc 48.3 | Large or bold text, headings |
| #81AACA text on black | 8.53:1 | AAA | Lc -53.7 | 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
#CDDBE7
oklch(88.4% 0.022 243.8)
-
Step 300
300
#ABC4D9
oklch(80.8% 0.04 243.6)
-
Step 400
400 (this color)
#81AACA
oklch(72% 0.065 242.2)
-
Step 500
500
#5B90B7
oklch(63.2% 0.082 241.6)
-
Step 600
600
#3F79A3
oklch(55.5% 0.089 242.2)
-
Step 700
700
#31668C
oklch(49.1% 0.083 242.3)
-
Step 800
800
#295372
oklch(42.6% 0.07 242.8)
-
Step 900
900
#26455C
oklch(37.7% 0.054 242.2)
-
Step 950
950
#172836
oklch(26.9% 0.035 244.4)
#81AACA 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) | #9DAACC | 0.035 |
| Deuteranopia (no green cones) | #93A2C9 | 0.029 |
| Tritanopia (no blue cones) | #68B2B4 | 0.053 |
| Achromatopsia (no color) | #A5A5A5 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81AACA
#81AACA
oklch(72% 0.065 242.2)
- #C29C7B
#C29C7B
oklch(71.9% 0.064 62.5)
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 #81AACA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegrey #85A3B2 ΔE 0.035
- Greyblue #77A1B5 ΔE 0.038
- Cool Steel #97A7B3 ΔE 0.039
- Bluey Grey #89A0B0 ΔE 0.040
- Cool Gray #8D99AE ΔE 0.052
- Cool Grey #95A3A6 ΔE 0.053
- Pewter #96A8A1 ΔE 0.062
- Light Grey Blue #9DBCD4 ΔE 0.063
Use #81AACA 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.