#90A0CD
Closest named color: Bluey Grey (#89A0B0). oklch(71% 0.068 269.4), rgb(144, 160, 205).
Aa
Black text reads best on this color (8.09:1).
About this color
#90A0CD is a medium-light, muted blue. In OKLCH its lightness is 71%, its chroma 0.068 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Grey (#89A0B0), ΔE 0.045 away. Black text reads best on it, at 8.09:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Bluey Grey (#89A0B0) |
| Black text | 8.09:1 |
| White text | 2.59:1 |
Values
| HEX | #90A0CD |
| RGB | rgb(144, 160, 205) |
| HSL | hsl(224, 38%, 68%) |
| OKLCH | oklch(71% 0.068 269.4) |
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 #90A0CD | 2.59:1 | Fails | Lc -55.8 | Large or bold text, headings |
| Black text on #90A0CD | 8.09:1 | AAA | Lc 53.4 | Large or bold text, headings |
| #90A0CD text on white | 2.59:1 | Fails | Lc 50.7 | Large or bold text, headings |
| #90A0CD text on black | 8.09:1 | AAA | Lc -51.3 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B5C0DD
oklch(80.9% 0.043 269)
-
Step 400
400 (this color)
#90A0CD
oklch(71% 0.068 269.4)
-
Step 500
500
#7487BF
oklch(63.1% 0.088 269.4)
-
Step 600
600
#5D70AB
oklch(55.6% 0.095 269.6)
-
Step 700
700
#4C5E93
oklch(49.1% 0.088 268.8)
-
Step 800
800
#3F4D77
oklch(42.8% 0.072 269.2)
-
Step 900
900
#354060
oklch(37.7% 0.057 269.1)
-
Step 950
950
#1F2638
oklch(27.1% 0.035 267.7)
#90A0CD 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) | #92A4CF | 0.011 |
| Deuteranopia (no green cones) | #8D9ECC | 0.007 |
| Tritanopia (no blue cones) | #7FA9AF | 0.062 |
| Achromatopsia (no color) | #A1A1A1 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A0CD
#90A0CD
oklch(71% 0.068 269.4)
- #B2A070
#B2A070
oklch(71% 0.068 89.8)
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 #90A0CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Grey #89A0B0 ΔE 0.045
- Cool Gray #8D99AE ΔE 0.046
- Bluegrey #85A3B2 ΔE 0.047
- Cool Steel #97A7B3 ΔE 0.049
- Greyblue #77A1B5 ΔE 0.051
- Cool Grey #95A3A6 ΔE 0.061
- Pale Purple #B790D4 ΔE 0.070
- Dark Gray #A9A9A9 ΔE 0.073
Use #90A0CD 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.