#90A6B2
Closest named color: Cool Steel (#97A7B3). oklch(71.2% 0.03 231.7), rgb(144, 166, 178).
Aa
Black text reads best on this color (8.28:1).
About this color
#90A6B2 is a medium-light, muted blue. In OKLCH its lightness is 71%, its chroma 0.030 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.010 away. Black text reads best on it, at 8.28:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.28:1 |
| White text | 2.53:1 |
Values
| HEX | #90A6B2 |
| RGB | rgb(144, 166, 178) |
| HSL | hsl(201, 18%, 63%) |
| OKLCH | oklch(71.2% 0.03 231.7) |
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 #90A6B2 | 2.53:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #90A6B2 | 8.28:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #90A6B2 text on white | 2.53:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #90A6B2 text on black | 8.28:1 | AAA | Lc -52.3 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAED
oklch(93.5% 0.006 239.8)
-
Step 200
200
#D3DADF
oklch(88.4% 0.01 238.5)
-
Step 300
300
#B5C3CB
oklch(80.9% 0.019 232.6)
-
Step 400
400 (this color)
#90A6B2
oklch(71.2% 0.03 231.7)
-
Step 500
500
#728E9D
oklch(63% 0.039 231.5)
-
Step 600
600
#5B7888
oklch(55.6% 0.042 232.6)
-
Step 700
700
#4A6573
oklch(49.1% 0.039 231.1)
-
Step 800
800
#3D525E
oklch(42.6% 0.033 233.6)
-
Step 900
900
#34444D
oklch(37.6% 0.026 233)
-
Step 950
950
#1F282D
oklch(27% 0.016 232.4)
#90A6B2 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) | #A0A5B3 | 0.022 |
| Deuteranopia (no green cones) | #9BA1B2 | 0.019 |
| Tritanopia (no blue cones) | #87A9AA | 0.020 |
| Achromatopsia (no color) | #A3A3A3 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A6B2
#90A6B2
oklch(71.2% 0.03 231.7)
- #B29D91
#B29D91
oklch(71.1% 0.03 51.7)
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 #90A6B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.010
- Cool Grey #95A3A6 ΔE 0.017
- Bluegrey #85A3B2 ΔE 0.017
- Bluey Grey #89A0B0 ΔE 0.020
- Pewter #96A8A1 ΔE 0.028
- Greyblue #77A1B5 ΔE 0.036
- Cool Gray #8D99AE ΔE 0.036
- Dark Gray #A9A9A9 ΔE 0.038
Use #90A6B2 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.