#91C5F6
Closest named color: Sky (#82CAFC). oklch(80.5% 0.089 247.5), rgb(145, 197, 246).
Aa
Black text reads best on this color (11.52:1).
About this color
#91C5F6 is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.089 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Sky (#82CAFC), ΔE 0.018 away. Black text reads best on it, at 11.52:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Sky (#82CAFC) |
| Black text | 11.52:1 |
| White text | 1.82:1 |
Values
| HEX | #91C5F6 |
| RGB | rgb(145, 197, 246) |
| HSL | hsl(209, 85%, 77%) |
| OKLCH | oklch(80.5% 0.089 247.5) |
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 #91C5F6 | 1.82:1 | Fails | Lc -38.1 | Non-text elements, placeholder text |
| Black text on #91C5F6 | 11.52:1 | AAA | Lc 69.9 | Content text, not long reading |
| #91C5F6 text on white | 1.82:1 | Fails | Lc 34.0 | Non-text elements, placeholder text |
| #91C5F6 text on black | 11.52:1 | AAA | Lc -68.6 | 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
#EFF6FD
oklch(97% 0.012 248)
-
Step 100
100
#DDECFB
oklch(93.6% 0.026 248.1)
-
Step 200
200
#C0DDF9
oklch(88.5% 0.05 247.5)
-
Step 300
300 (this color)
#91C5F6
oklch(80.5% 0.089 247.5)
-
Step 400
400
#4DA7F4
oklch(70.8% 0.142 247.3)
-
Step 500
500
#008EE8
oklch(63% 0.168 247.5)
-
Step 600
600
#0077C4
oklch(55.5% 0.148 247.6)
-
Step 700
700
#0064A6
oklch(49.1% 0.131 247.6)
-
Step 800
800
#005289
oklch(42.7% 0.113 247.3)
-
Step 900
900
#004473
oklch(37.7% 0.1 247.4)
-
Step 950
950
#002847
oklch(27% 0.072 247.4)
#91C5F6 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) | #B1C6F8 | 0.039 |
| Deuteranopia (no green cones) | #A5BBF5 | 0.033 |
| Tritanopia (no blue cones) | #6BD0D5 | 0.075 |
| Achromatopsia (no color) | #C0C0C0 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C5F6
#91C5F6
oklch(80.5% 0.089 247.5)
- #E6B581
#E6B581
oklch(80.6% 0.088 67.7)
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 #91C5F6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky #82CAFC ΔE 0.018
- Lightblue #7BC8F6 ΔE 0.023
- Light Sky Blue #87CEFA ΔE 0.024
- Pastel Blue #A2BFFE ΔE 0.029
- Sky Blue #87CEEB ΔE 0.034
- Baby Blue #A2CFFE ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.040
- Carolina Blue #8AB8FE ΔE 0.041
Use #91C5F6 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.