#91C0E3
Closest named color: Light Cornflower Blue (#98C1D9). oklch(78.7% 0.071 241), rgb(145, 192, 227).
Aa
Black text reads best on this color (10.85:1).
About this color
#91C0E3 is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.071 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.017 away. Black text reads best on it, at 10.85:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.85:1 |
| White text | 1.93:1 |
Values
| HEX | #91C0E3 |
| RGB | rgb(145, 192, 227) |
| HSL | hsl(206, 59%, 73%) |
| OKLCH | oklch(78.7% 0.071 241) |
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 #91C0E3 | 1.93:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #91C0E3 | 10.85:1 | AAA | Lc 66.9 | Content text, not long reading |
| #91C0E3 text on white | 1.93:1 | Fails | Lc 37.0 | Non-text elements, placeholder text |
| #91C0E3 text on black | 10.85:1 | AAA | Lc -65.4 | 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
#DEECF7
oklch(93.6% 0.021 241.4)
-
Step 200
200
#C3DDF1
oklch(88.5% 0.039 241.1)
-
Step 300
300 (this color)
#91C0E3
oklch(78.7% 0.071 241)
-
Step 400
400
#59A9E0
oklch(70.7% 0.113 240.9)
-
Step 500
500
#0E92D8
oklch(63.1% 0.145 241.2)
-
Step 600
600
#007BB7
oklch(55.7% 0.129 240.7)
-
Step 700
700
#00679B
oklch(49.1% 0.115 241)
-
Step 800
800
#005480
oklch(42.6% 0.1 241.3)
-
Step 900
900
#00466B
oklch(37.7% 0.087 240.8)
-
Step 950
950
#032941
oklch(26.9% 0.061 242.1)
#91C0E3 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) | #B1BFE5 | 0.039 |
| Deuteranopia (no green cones) | #A6B6E2 | 0.034 |
| Tritanopia (no blue cones) | #75C9CB | 0.057 |
| Achromatopsia (no color) | #BABABA | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C0E3
#91C0E3
oklch(78.7% 0.071 241)
- #DBB08C
#DBB08C
oklch(78.7% 0.07 61.5)
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 #91C0E3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.017
- Light Grey Blue #9DBCD4 ΔE 0.023
- Lightblue #7BC8F6 ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.036
- Sky Blue #87CEEB ΔE 0.036
- Sky #82CAFC ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.042
Use #91C0E3 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.