#91BCEC
Closest named color: Carolina Blue (#8AB8FE). oklch(78.2% 0.083 251.6), rgb(145, 188, 236).
Aa
Black text reads best on this color (10.60:1).
About this color
#91BCEC is a light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.083 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.032 away. Black text reads best on it, at 10.60:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.60:1 |
| White text | 1.97:1 |
Values
| HEX | #91BCEC |
| RGB | rgb(145, 188, 236) |
| HSL | hsl(212, 71%, 75%) |
| OKLCH | oklch(78.2% 0.083 251.6) |
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 #91BCEC | 1.97:1 | Fails | Lc -42.6 | Non-text elements, placeholder text |
| Black text on #91BCEC | 10.60:1 | AAA | Lc 65.7 | Content text, not long reading |
| #91BCEC text on white | 1.97:1 | Fails | Lc 38.2 | Non-text elements, placeholder text |
| #91BCEC text on black | 10.60:1 | AAA | Lc -64.2 | 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
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C4DCF7
oklch(88.5% 0.045 251.4)
-
Step 300
300 (this color)
#91BCEC
oklch(78.2% 0.083 251.6)
-
Step 400
400
#5EA5F0
oklch(70.8% 0.132 251.3)
-
Step 500
500
#258CEB
oklch(63.2% 0.169 251.4)
-
Step 600
600
#0074CF
oklch(55.5% 0.165 251.7)
-
Step 700
700
#0062AF
oklch(49.2% 0.144 251.3)
-
Step 800
800
#005091
oklch(42.8% 0.126 251.5)
-
Step 900
900
#01427A
oklch(37.7% 0.112 251.9)
-
Step 950
950
#072747
oklch(26.9% 0.07 252)
#91BCEC 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) | #AABDEE | 0.031 |
| Deuteranopia (no green cones) | #9FB4EB | 0.025 |
| Tritanopia (no blue cones) | #72C7CC | 0.072 |
| Achromatopsia (no color) | #B8B8B8 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BCEC
#91BCEC
oklch(78.2% 0.083 251.6)
- #DAB07D
#DAB07D
oklch(78.3% 0.083 71.6)
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 #91BCEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.032
- Pastel Blue #A2BFFE ΔE 0.034
- Light Cornflower Blue #98C1D9 ΔE 0.035
- Lightblue #7BC8F6 ΔE 0.035
- Light Grey Blue #9DBCD4 ΔE 0.037
- Sky #82CAFC ΔE 0.039
- Light Sky Blue #87CEFA ΔE 0.046
- Cloudy Blue #ACC2D9 ΔE 0.048
Use #91BCEC 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.