#91D3EA
Closest named color: Sky Blue (#87CEEB). oklch(83.1% 0.074 221.8), rgb(145, 211, 234).
Aa
Black text reads best on this color (12.70:1).
About this color
#91D3EA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.074 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.019 away. Black text reads best on it, at 12.70:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.70:1 |
| White text | 1.65:1 |
Values
| HEX | #91D3EA |
| RGB | rgb(145, 211, 234) |
| HSL | hsl(196, 68%, 74%) |
| OKLCH | oklch(83.1% 0.074 221.8) |
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 #91D3EA | 1.65:1 | Fails | Lc -32.4 | Non-text elements, placeholder text |
| Black text on #91D3EA | 12.70:1 | AAA | Lc 75.1 | Fine for body text |
| #91D3EA text on white | 1.65:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #91D3EA text on black | 12.70:1 | AAA | Lc -74.1 | 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
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DBEDF4
oklch(93.5% 0.021 223)
-
Step 200
200
#BDE0ED
oklch(88.6% 0.041 222.3)
-
Step 300
300 (this color)
#91D3EA
oklch(83.1% 0.074 221.8)
-
Step 400
400
#31B1D5
oklch(70.8% 0.118 221.5)
-
Step 500
500
#0098BB
oklch(63% 0.116 221.8)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#00495C
oklch(37.6% 0.07 222.6)
-
Step 950
950
#002C38
oklch(27.2% 0.05 221.4)
#91D3EA 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) | #C5CFEB | 0.061 |
| Deuteranopia (no green cones) | #B8C5EA | 0.056 |
| Tritanopia (no blue cones) | #6FDBDA | 0.048 |
| Achromatopsia (no color) | #C9C9C9 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91D3EA
#91D3EA
oklch(83.1% 0.074 221.8)
- #F2B8A2
#F2B8A2
oklch(83% 0.074 41.7)
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 #91D3EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.019
- Light Sky Blue #87CEFA ΔE 0.032
- Light Blue #ADD8E6 ΔE 0.036
- Baby Blue #A2CFFE ΔE 0.039
- Celeste #A8DADC ΔE 0.040
- Sky #82CAFC ΔE 0.044
- Lightblue #7BC8F6 ΔE 0.046
- Light Blue Grey #B7C9E2 ΔE 0.047
Use #91D3EA 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.