#91C5E4
Closest named color: Light Cornflower Blue (#98C1D9). oklch(79.8% 0.07 235), rgb(145, 197, 228).
Aa
Black text reads best on this color (11.31:1).
About this color
#91C5E4 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.070 and its hue 235°. 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 11.31:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 11.31:1 |
| White text | 1.85:1 |
Values
| HEX | #91C5E4 |
| RGB | rgb(145, 197, 228) |
| HSL | hsl(202, 61%, 73%) |
| OKLCH | oklch(79.8% 0.07 235) |
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 #91C5E4 | 1.85:1 | Fails | Lc -39.1 | Non-text elements, placeholder text |
| Black text on #91C5E4 | 11.31:1 | AAA | Lc 68.9 | Content text, not long reading |
| #91C5E4 text on white | 1.85:1 | Fails | Lc 34.9 | Non-text elements, placeholder text |
| #91C5E4 text on black | 11.31:1 | AAA | Lc -67.6 | 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
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DEECF6
oklch(93.6% 0.02 238.7)
-
Step 200
200
#C1DEF0
oklch(88.5% 0.04 235.2)
-
Step 300
300 (this color)
#91C5E4
oklch(79.8% 0.07 235)
-
Step 400
400
#51ABDC
oklch(70.6% 0.112 235.3)
-
Step 500
500
#0095CE
oklch(63.2% 0.133 234.7)
-
Step 600
600
#007DAE
oklch(55.7% 0.118 234.9)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#91C5E4 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) | #B7C3E6 | 0.046 |
| Deuteranopia (no green cones) | #ABBAE4 | 0.040 |
| Tritanopia (no blue cones) | #74CDCF | 0.052 |
| Achromatopsia (no color) | #BEBEBE | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C5E4
#91C5E4
oklch(79.8% 0.07 235)
- #E1B292
#E1B292
oklch(79.8% 0.07 55.7)
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 #91C5E4, 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
- Sky Blue #87CEEB ΔE 0.024
- Light Grey Blue #9DBCD4 ΔE 0.029
- Lightblue #7BC8F6 ΔE 0.031
- Cloudy Blue #ACC2D9 ΔE 0.033
- Light Sky Blue #87CEFA ΔE 0.034
- Sky #82CAFC ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.037
Use #91C5E4 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.