#90A3CF
Closest named color: Bluey Grey (#89A0B0). oklch(71.7% 0.068 266.5), rgb(144, 163, 207).
Aa
Black text reads best on this color (8.32:1).
About this color
#90A3CF is a medium-light, muted blue. In OKLCH its lightness is 72%, its chroma 0.068 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Grey (#89A0B0), ΔE 0.047 away. Black text reads best on it, at 8.32:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Bluey Grey (#89A0B0) |
| Black text | 8.32:1 |
| White text | 2.52:1 |
Values
| HEX | #90A3CF |
| RGB | rgb(144, 163, 207) |
| HSL | hsl(222, 40%, 69%) |
| OKLCH | oklch(71.7% 0.068 266.5) |
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 #90A3CF | 2.52:1 | Fails | Lc -54.5 | Large or bold text, headings |
| Black text on #90A3CF | 8.32:1 | AAA | Lc 54.6 | Large or bold text, headings |
| #90A3CF text on white | 2.52:1 | Fails | Lc 49.5 | Large or bold text, headings |
| #90A3CF text on black | 8.32:1 | AAA | Lc -52.5 | 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
#D2D9E9
oklch(88.5% 0.023 266.9)
-
Step 300
300
#B4C1DD
oklch(81% 0.042 265.7)
-
Step 400
400 (this color)
#90A3CF
oklch(71.7% 0.068 266.5)
-
Step 500
500
#7188BF
oklch(63.1% 0.088 266.5)
-
Step 600
600
#5A71AB
oklch(55.6% 0.095 266.9)
-
Step 700
700
#4A5F93
oklch(49.2% 0.088 266.5)
-
Step 800
800
#3D4D77
oklch(42.6% 0.073 267.4)
-
Step 900
900
#344160
oklch(37.8% 0.056 266.4)
-
Step 950
950
#1E2638
oklch(27% 0.036 265.6)
#90A3CF 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) | #95A6D1 | 0.011 |
| Deuteranopia (no green cones) | #8FA1CE | 0.006 |
| Tritanopia (no blue cones) | #7FACB2 | 0.061 |
| Achromatopsia (no color) | #A3A3A3 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A3CF
#90A3CF
oklch(71.7% 0.068 266.5)
- #B6A172
#B6A172
oklch(71.6% 0.068 86.6)
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 #90A3CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Grey #89A0B0 ΔE 0.047
- Cool Steel #97A7B3 ΔE 0.047
- Bluegrey #85A3B2 ΔE 0.047
- Cool Gray #8D99AE ΔE 0.050
- Greyblue #77A1B5 ΔE 0.052
- Cool Grey #95A3A6 ΔE 0.061
- Dark Gray #A9A9A9 ΔE 0.070
- Light Grey Blue #9DBCD4 ΔE 0.071
Use #90A3CF 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.