#91DDFE
Closest named color: Baby Blue (#A2CFFE). oklch(86% 0.088 227.3), rgb(145, 221, 254).
Aa
Black text reads best on this color (13.97:1).
About this color
#91DDFE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 86%, its chroma 0.088 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.040 away. Black text reads best on it, at 13.97:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.97:1 |
| White text | 1.50:1 |
Values
| HEX | #91DDFE |
| RGB | rgb(145, 221, 254) |
| HSL | hsl(198, 98%, 78%) |
| OKLCH | oklch(86% 0.088 227.3) |
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 #91DDFE | 1.50:1 | Fails | Lc -26.6 | Dividers and decoration only |
| Black text on #91DDFE | 13.97:1 | AAA | Lc 80.3 | Fine for body text |
| #91DDFE text on white | 1.50:1 | Fails | Lc 23.4 | Dividers and decoration only |
| #91DDFE text on black | 13.97:1 | AAA | Lc -79.8 | Fine for body text |
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 200.
-
Step 50
50
#ECF8FE
oklch(97.2% 0.015 229)
-
Step 100
100
#D4EFFB
oklch(93.6% 0.033 226.3)
-
Step 200
200 (this color)
#91DDFE
oklch(86% 0.088 227.3)
-
Step 300
300
#67CFF9
oklch(80.9% 0.113 227.1)
-
Step 400
400
#00B0E2
oklch(70.6% 0.137 227.2)
-
Step 500
500
#0097C3
oklch(63.1% 0.123 227.5)
-
Step 600
600
#007FA4
oklch(55.6% 0.108 227.1)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#004960
oklch(37.8% 0.073 227.3)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#91DDFE 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) | #CCDAFF | 0.067 |
| Deuteranopia (no green cones) | #BCCDFE | 0.060 |
| Tritanopia (no blue cones) | #62E7E7 | 0.063 |
| Achromatopsia (no color) | #D3D3D3 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91DDFE
#91DDFE
oklch(86% 0.088 227.3)
- #FFC1A3
#FFC1A3
oklch(86% 0.082 47)
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 #91DDFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.042
- Sky Blue #87CEEB ΔE 0.045
- Powder Blue #B0E0E6 ΔE 0.048
- Celeste #A8DADC ΔE 0.049
- Robin's Egg #6DEDFD ΔE 0.050
- Robin's Egg Blue #98EFF9 ΔE 0.053
Use #91DDFE 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.