#91BBF8
Closest named color: Carolina Blue (#8AB8FE). oklch(78.5% 0.099 257.6), rgb(145, 187, 248).
Aa
Black text reads best on this color (10.66:1).
About this color
#91BBF8 is a light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.099 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.016 away. Black text reads best on it, at 10.66:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.66:1 |
| White text | 1.96:1 |
Values
| HEX | #91BBF8 |
| RGB | rgb(145, 187, 248) |
| HSL | hsl(216, 88%, 77%) |
| OKLCH | oklch(78.5% 0.099 257.6) |
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 #91BBF8 | 1.96:1 | Fails | Lc -42.3 | Non-text elements, placeholder text |
| Black text on #91BBF8 | 10.66:1 | AAA | Lc 66.0 | Content text, not long reading |
| #91BBF8 text on white | 1.96:1 | Fails | Lc 37.9 | Non-text elements, placeholder text |
| #91BBF8 text on black | 10.66:1 | AAA | Lc -64.5 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DEEBFD
oklch(93.6% 0.028 256.5)
-
Step 200
200
#C3DBFE
oklch(88.5% 0.055 257.7)
-
Step 300
300 (this color)
#91BBF8
oklch(78.5% 0.099 257.6)
-
Step 400
400
#5FA1FF
oklch(70.7% 0.154 257.4)
-
Step 500
500
#2B85FF
oklch(63.1% 0.2 257.7)
-
Step 600
600
#006DE6
oklch(55.7% 0.202 257.5)
-
Step 700
700
#005BC3
oklch(49.1% 0.179 257.6)
-
Step 800
800
#004AA2
oklch(42.7% 0.156 257.7)
-
Step 900
900
#053E85
oklch(37.7% 0.131 257.6)
-
Step 950
950
#07254E
oklch(27% 0.083 257.5)
#91BBF8 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) | #A5BEFB | 0.027 |
| Deuteranopia (no green cones) | #99B4F7 | 0.019 |
| Tritanopia (no blue cones) | #6CC8D0 | 0.087 |
| Achromatopsia (no color) | #B9B9B9 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BBF8
#91BBF8
oklch(78.5% 0.099 257.6)
- #DCB16E
#DCB16E
oklch(78.5% 0.099 77.6)
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 #91BBF8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.016
- Pastel Blue #A2BFFE ΔE 0.025
- Sky #82CAFC ΔE 0.040
- Lightblue #7BC8F6 ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.050
- Light Cornflower Blue #98C1D9 ΔE 0.053
- Light Grey Blue #9DBCD4 ΔE 0.054
- Baby Blue #A2CFFE ΔE 0.058
Use #91BBF8 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.