#91B6DC
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.3% 0.068 249.4), rgb(145, 182, 220).
Aa
Black text reads best on this color (9.92:1).
About this color
#91B6DC is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.068 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.028 away. Black text reads best on it, at 9.92:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.92:1 |
| White text | 2.11:1 |
Values
| HEX | #91B6DC |
| RGB | rgb(145, 182, 220) |
| HSL | hsl(210, 52%, 72%) |
| OKLCH | oklch(76.3% 0.068 249.4) |
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 #91B6DC | 2.11:1 | Fails | Lc -46.0 | Large or bold text, headings |
| Black text on #91B6DC | 9.92:1 | AAA | Lc 62.5 | Content text, not long reading |
| #91B6DC text on white | 2.11:1 | Fails | Lc 41.4 | Non-text elements, placeholder text |
| #91B6DC text on black | 9.92:1 | AAA | Lc -60.8 | 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
#C7DCF2
oklch(88.6% 0.038 249.5)
-
Step 300
300 (this color)
#91B6DC
oklch(76.3% 0.068 249.4)
-
Step 400
400
#69A6E2
oklch(70.8% 0.109 249.2)
-
Step 500
500
#3C8ED9
oklch(63.1% 0.138 249.3)
-
Step 600
600
#0C76C7
oklch(55.6% 0.151 249.6)
-
Step 700
700
#0063AA
oklch(49.1% 0.137 249.4)
-
Step 800
800
#05518B
oklch(42.7% 0.116 249.4)
-
Step 900
900
#12446F
oklch(37.8% 0.09 249)
-
Step 950
950
#0D2841
oklch(27% 0.057 249.3)
#91B6DC 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) | #A7B7DE | 0.028 |
| Deuteranopia (no green cones) | #9EAFDB | 0.023 |
| Tritanopia (no blue cones) | #79BFC2 | 0.059 |
| Achromatopsia (no color) | #B2B2B2 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B6DC
#91B6DC
oklch(76.3% 0.068 249.4)
- #CFAB83
#CFAB83
oklch(76.4% 0.068 69.5)
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 #91B6DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.028
- Light Cornflower Blue #98C1D9 ΔE 0.034
- Carolina Blue #8AB8FE ΔE 0.049
- Cloudy Blue #ACC2D9 ΔE 0.050
- Lightblue #7BC8F6 ΔE 0.053
- French Gray #ADB5BD ΔE 0.054
- Pastel Blue #A2BFFE ΔE 0.056
- Light Steel Blue #B0C4DE ΔE 0.057
Use #91B6DC 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.