#91B7FF
Closest named color: Carolina Blue (#8AB8FE). oklch(78% 0.112 262.7), rgb(145, 183, 255).
Aa
Black text reads best on this color (10.42:1).
About this color
#91B7FF is a medium-light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.112 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.008 away. Black text reads best on it, at 10.42:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.42:1 |
| White text | 2.01:1 |
Values
| HEX | #91B7FF |
| RGB | rgb(145, 183, 255) |
| HSL | hsl(219, 100%, 78%) |
| OKLCH | oklch(78% 0.112 262.7) |
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 #91B7FF | 2.01:1 | Fails | Lc -43.5 | Non-text elements, placeholder text |
| Black text on #91B7FF | 10.42:1 | AAA | Lc 64.9 | Content text, not long reading |
| #91B7FF text on white | 2.01:1 | Fails | Lc 39.0 | Non-text elements, placeholder text |
| #91B7FF text on black | 10.42:1 | AAA | Lc -63.3 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#DFEAFF
oklch(93.5% 0.031 263.5)
-
Step 200
200
#C6DAFF
oklch(88.5% 0.056 262.8)
-
Step 300
300 (this color)
#91B7FF
oklch(78% 0.112 262.7)
-
Step 400
400
#6C9EFF
oklch(70.7% 0.152 262.5)
-
Step 500
500
#4481FF
oklch(63% 0.198 262.7)
-
Step 600
600
#1761FF
oklch(55.7% 0.244 262.7)
-
Step 700
700
#074DE0
oklch(49% 0.231 262.7)
-
Step 800
800
#0B41B5
oklch(42.7% 0.191 262.7)
-
Step 900
900
#11398F
oklch(37.7% 0.149 262.7)
-
Step 950
950
#0B2354
oklch(27.2% 0.094 262.4)
#91B7FF 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) | #9DBCFF | 0.021 |
| Deuteranopia (no green cones) | #91B2FD | 0.013 |
| Tritanopia (no blue cones) | #69C6D0 | 0.100 |
| Achromatopsia (no color) | #B7B7B7 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B7FF
#91B7FF
oklch(78% 0.112 262.7)
- #DAB15F
#DAB15F
oklch(78% 0.111 83.1)
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 #91B7FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.008
- Pastel Blue #A2BFFE ΔE 0.032
- Sky #82CAFC ΔE 0.053
- Lightblue #7BC8F6 ΔE 0.054
- Light Sky Blue #87CEFA ΔE 0.064
- Light Grey Blue #9DBCD4 ΔE 0.069
- Light Cornflower Blue #98C1D9 ΔE 0.069
- Baby Blue #A2CFFE ΔE 0.070
Use #91B7FF 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.