#90B2C2
Closest named color: Cool Steel (#97A7B3). oklch(74.4% 0.044 228.1), rgb(144, 178, 194).
Aa
Black text reads best on this color (9.33:1).
About this color
#90B2C2 is a medium-light, muted teal or cyan. In OKLCH its lightness is 74%, its chroma 0.044 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.031 away. Black text reads best on it, at 9.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 9.33:1 |
| White text | 2.25:1 |
Values
| HEX | #90B2C2 |
| RGB | rgb(144, 178, 194) |
| HSL | hsl(199, 29%, 66%) |
| OKLCH | oklch(74.4% 0.044 228.1) |
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 #90B2C2 | 2.25:1 | Fails | Lc -49.2 | Large or bold text, headings |
| Black text on #90B2C2 | 9.33:1 | AAA | Lc 59.6 | Large or bold text, headings |
| #90B2C2 text on white | 2.25:1 | Fails | Lc 44.3 | Non-text elements, placeholder text |
| #90B2C2 text on black | 9.33:1 | AAA | Lc -57.8 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#CFDBE1
oklch(88.4% 0.015 229)
-
Step 300
300
#AFC4CF
oklch(80.8% 0.028 230.4)
-
Step 400
400 (this color)
#90B2C2
oklch(74.4% 0.044 228.1)
-
Step 500
500
#6591A4
oklch(63.2% 0.056 226.7)
-
Step 600
600
#4C7B8F
oklch(55.7% 0.06 227)
-
Step 700
700
#3C677A
oklch(49% 0.057 228.2)
-
Step 800
800
#325463
oklch(42.6% 0.047 227.9)
-
Step 900
900
#2D4651
oklch(37.9% 0.036 227.4)
-
Step 950
950
#1A292F
oklch(27% 0.023 224.8)
#90B2C2 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) | #AAB0C3 | 0.034 |
| Deuteranopia (no green cones) | #A2AAC2 | 0.030 |
| Tritanopia (no blue cones) | #81B7B7 | 0.030 |
| Achromatopsia (no color) | #ADADAD | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90B2C2
#90B2C2
oklch(74.4% 0.044 228.1)
- #C4A495
#C4A495
oklch(74.3% 0.043 46.6)
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 #90B2C2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.031
- Light Grey Blue #9DBCD4 ΔE 0.038
- French Gray #ADB5BD ΔE 0.040
- Dark Gray #A9A9A9 ΔE 0.044
- Bluegrey #85A3B2 ΔE 0.046
- Pewter #96A8A1 ΔE 0.047
- Light Cornflower Blue #98C1D9 ΔE 0.048
- Cool Grey #95A3A6 ΔE 0.048
Use #90B2C2 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.