#91BCE3
Closest named color: Light Cornflower Blue (#98C1D9). oklch(77.8% 0.072 246.3), rgb(145, 188, 227).
Aa
Black text reads best on this color (10.50:1).
About this color
#91BCE3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.072 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.024 away. Black text reads best on it, at 10.50:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.50:1 |
| White text | 1.99:1 |
Values
| HEX | #91BCE3 |
| RGB | rgb(145, 188, 227) |
| HSL | hsl(209, 59%, 73%) |
| OKLCH | oklch(77.8% 0.072 246.3) |
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 #91BCE3 | 1.99:1 | Fails | Lc -43.1 | Non-text elements, placeholder text |
| Black text on #91BCE3 | 10.50:1 | AAA | Lc 65.3 | Content text, not long reading |
| #91BCE3 text on white | 1.99:1 | Fails | Lc 38.7 | Non-text elements, placeholder text |
| #91BCE3 text on black | 10.50:1 | AAA | Lc -63.7 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF7
oklch(93.7% 0.02 243.4)
-
Step 200
200
#C4DCF3
oklch(88.4% 0.041 247.1)
-
Step 300
300 (this color)
#91BCE3
oklch(77.8% 0.072 246.3)
-
Step 400
400
#5FA7E4
oklch(70.7% 0.115 246)
-
Step 500
500
#268FDD
oklch(63% 0.149 246.4)
-
Step 600
600
#0078C2
oklch(55.6% 0.145 246.5)
-
Step 700
700
#0065A4
oklch(49.2% 0.127 246.3)
-
Step 800
800
#005287
oklch(42.6% 0.111 246.5)
-
Step 900
900
#014571
oklch(37.8% 0.096 245.7)
-
Step 950
950
#072842
oklch(26.9% 0.061 246.8)
#91BCE3 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) | #ACBCE5 | 0.034 |
| Deuteranopia (no green cones) | #A2B4E2 | 0.028 |
| Tritanopia (no blue cones) | #76C5C9 | 0.060 |
| Achromatopsia (no color) | #B7B7B7 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BCE3
#91BCE3
oklch(77.8% 0.072 246.3)
- #D7AE86
#D7AE86
oklch(77.8% 0.072 65.7)
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 #91BCE3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.024
- Light Grey Blue #9DBCD4 ΔE 0.025
- Lightblue #7BC8F6 ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.042
- Sky #82CAFC ΔE 0.044
- Carolina Blue #8AB8FE ΔE 0.044
- Pastel Blue #A2BFFE ΔE 0.045
- Sky Blue #87CEEB ΔE 0.047
Use #91BCE3 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.