#91BFDE
Closest named color: Light Cornflower Blue (#98C1D9). oklch(78.3% 0.066 238.2), rgb(145, 191, 222).
Aa
Black text reads best on this color (10.71:1).
About this color
#91BFDE is a light, muted blue. In OKLCH its lightness is 78%, its chroma 0.066 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.013 away. Black text reads best on it, at 10.71:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.71:1 |
| White text | 1.96:1 |
Values
| HEX | #91BFDE |
| RGB | rgb(145, 191, 222) |
| HSL | hsl(204, 54%, 72%) |
| OKLCH | oklch(78.3% 0.066 238.2) |
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 #91BFDE | 1.96:1 | Fails | Lc -42.1 | Non-text elements, placeholder text |
| Black text on #91BFDE | 10.71:1 | AAA | Lc 66.2 | Content text, not long reading |
| #91BFDE text on white | 1.96:1 | Fails | Lc 37.7 | Non-text elements, placeholder text |
| #91BFDE text on black | 10.71:1 | AAA | Lc -64.7 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C4DDEF
oklch(88.5% 0.036 239.2)
-
Step 300
300 (this color)
#91BFDE
oklch(78.3% 0.066 238.2)
-
Step 400
400
#5CAADB
oklch(70.8% 0.105 238.3)
-
Step 500
500
#1893D1
oklch(63.1% 0.135 238.4)
-
Step 600
600
#007CB3
oklch(55.7% 0.124 238.2)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#042A3E
oklch(27.1% 0.055 237.2)
#91BFDE 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) | #B1BEE0 | 0.039 |
| Deuteranopia (no green cones) | #A7B5DE | 0.036 |
| Tritanopia (no blue cones) | #77C7C9 | 0.052 |
| Achromatopsia (no color) | #B9B9B9 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BFDE
#91BFDE
oklch(78.3% 0.066 238.2)
- #D9AE8F
#D9AE8F
oklch(78.2% 0.066 57.4)
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 #91BFDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.013
- Light Grey Blue #9DBCD4 ΔE 0.018
- Cloudy Blue #ACC2D9 ΔE 0.035
- Lightblue #7BC8F6 ΔE 0.039
- Sky Blue #87CEEB ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.042
- Sky #82CAFC ΔE 0.045
- Light Sky Blue #87CEFA ΔE 0.048
Use #91BFDE 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.