#91B9EC
Closest named color: Carolina Blue (#8AB8FE). oklch(77.6% 0.085 254.8), rgb(145, 185, 236).
Aa
Black text reads best on this color (10.35:1).
About this color
#91B9EC is a medium-light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.085 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.028 away. Black text reads best on it, at 10.35:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.35:1 |
| White text | 2.02:1 |
Values
| HEX | #91B9EC |
| RGB | rgb(145, 185, 236) |
| HSL | hsl(214, 71%, 75%) |
| OKLCH | oklch(77.6% 0.085 254.8) |
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 #91B9EC | 2.02:1 | Fails | Lc -43.9 | Non-text elements, placeholder text |
| Black text on #91B9EC | 10.35:1 | AAA | Lc 64.6 | Content text, not long reading |
| #91B9EC text on white | 2.02:1 | Fails | Lc 39.4 | Non-text elements, placeholder text |
| #91B9EC text on black | 10.35:1 | AAA | Lc -63.0 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C5DBF9
oklch(88.5% 0.048 256.2)
-
Step 300
300 (this color)
#91B9EC
oklch(77.6% 0.085 254.8)
-
Step 400
400
#62A3F4
oklch(70.7% 0.137 254.8)
-
Step 500
500
#3189EF
oklch(63% 0.174 254.8)
-
Step 600
600
#0071DA
oklch(55.6% 0.182 254.8)
-
Step 700
700
#005FB8
oklch(49.1% 0.16 254.6)
-
Step 800
800
#004D99
oklch(42.7% 0.14 255)
-
Step 900
900
#0A417C
oklch(37.8% 0.114 254.7)
-
Step 950
950
#092648
oklch(26.8% 0.072 254.8)
#91B9EC 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) | #A6BBEE | 0.027 |
| Deuteranopia (no green cones) | #9CB2EB | 0.021 |
| Tritanopia (no blue cones) | #72C4CA | 0.074 |
| Achromatopsia (no color) | #B6B6B6 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B9EC
#91B9EC
oklch(77.6% 0.085 254.8)
- #D6AE78
#D6AE78
oklch(77.4% 0.085 74.4)
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 #91B9EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.028
- Pastel Blue #A2BFFE ΔE 0.036
- Light Grey Blue #9DBCD4 ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.041
- Lightblue #7BC8F6 ΔE 0.042
- Sky #82CAFC ΔE 0.045
- Cloudy Blue #ACC2D9 ΔE 0.054
- Light Sky Blue #87CEFA ΔE 0.054
Use #91B9EC 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.