#90B7DC
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.4% 0.068 247.4), rgb(144, 183, 220).
Aa
Black text reads best on this color (9.99:1).
About this color
#90B7DC is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.068 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.026 away. Black text reads best on it, at 9.99:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.99:1 |
| White text | 2.10:1 |
Values
| HEX | #90B7DC |
| RGB | rgb(144, 183, 220) |
| HSL | hsl(209, 52%, 71%) |
| OKLCH | oklch(76.4% 0.068 247.4) |
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 #90B7DC | 2.10:1 | Fails | Lc -45.7 | Large or bold text, headings |
| Black text on #90B7DC | 9.99:1 | AAA | Lc 62.8 | Content text, not long reading |
| #90B7DC text on white | 2.10:1 | Fails | Lc 41.1 | Non-text elements, placeholder text |
| #90B7DC text on black | 9.99:1 | AAA | Lc -61.2 | Content text, not long reading |
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 300.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C6DCF1
oklch(88.5% 0.037 247)
-
Step 300
300 (this color)
#90B7DC
oklch(76.4% 0.068 247.4)
-
Step 400
400
#66A6E1
oklch(70.6% 0.109 247.7)
-
Step 500
500
#368FD8
oklch(63.1% 0.138 247.2)
-
Step 600
600
#0077C4
oklch(55.5% 0.148 247.6)
-
Step 700
700
#0064A6
oklch(49.1% 0.131 247.6)
-
Step 800
800
#005289
oklch(42.7% 0.113 247.3)
-
Step 900
900
#0D446F
oklch(37.6% 0.091 247.7)
-
Step 950
950
#0B2841
oklch(26.9% 0.058 248)
#90B7DC 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) | #A9B7DE | 0.032 |
| Deuteranopia (no green cones) | #9FAFDB | 0.026 |
| Tritanopia (no blue cones) | #77C0C3 | 0.058 |
| Achromatopsia (no color) | #B3B3B3 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90B7DC
#90B7DC
oklch(76.4% 0.068 247.4)
- #D0AB84
#D0AB84
oklch(76.5% 0.068 68)
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 #90B7DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.026
- Light Cornflower Blue #98C1D9 ΔE 0.032
- Cloudy Blue #ACC2D9 ΔE 0.049
- Carolina Blue #8AB8FE ΔE 0.049
- Lightblue #7BC8F6 ΔE 0.051
- French Gray #ADB5BD ΔE 0.054
- Light Steel Blue #B0C4DE ΔE 0.056
- Pastel Blue #A2BFFE ΔE 0.056
Use #90B7DC 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.