#91BEEF
Closest named color: Pastel Blue (#A2BFFE). oklch(78.7% 0.085 251), rgb(145, 190, 239).
Aa
Black text reads best on this color (10.81:1).
About this color
#91BEEF is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.085 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.031 away. Black text reads best on it, at 10.81:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.81:1 |
| White text | 1.94:1 |
Values
| HEX | #91BEEF |
| RGB | rgb(145, 190, 239) |
| HSL | hsl(211, 75%, 75%) |
| OKLCH | oklch(78.7% 0.085 251) |
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 #91BEEF | 1.94:1 | Fails | Lc -41.6 | Non-text elements, placeholder text |
| Black text on #91BEEF | 10.81:1 | AAA | Lc 66.7 | Content text, not long reading |
| #91BEEF text on white | 1.94:1 | Fails | Lc 37.2 | Non-text elements, placeholder text |
| #91BEEF text on black | 10.81:1 | AAA | Lc -65.2 | 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
#DEEBFA
oklch(93.5% 0.025 251.9)
-
Step 200
200
#C3DCF8
oklch(88.5% 0.047 251.3)
-
Step 300
300 (this color)
#91BEEF
oklch(78.7% 0.085 251)
-
Step 400
400
#5AA5F2
oklch(70.7% 0.136 250.9)
-
Step 500
500
#1B8CEE
oklch(63.2% 0.174 251.1)
-
Step 600
600
#0075CD
oklch(55.6% 0.161 250.9)
-
Step 700
700
#0062AE
oklch(49.1% 0.143 251.1)
-
Step 800
800
#005090
oklch(42.7% 0.125 251.1)
-
Step 900
900
#004279
oklch(37.6% 0.11 251.3)
-
Step 950
950
#052748
oklch(27% 0.072 251.7)
#91BEEF 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) | #ABBFF1 | 0.032 |
| Deuteranopia (no green cones) | #A0B6EE | 0.026 |
| Tritanopia (no blue cones) | #70C9CE | 0.073 |
| Achromatopsia (no color) | #BABABA | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BEEF
#91BEEF
oklch(78.7% 0.085 251)
- #DDB17D
#DDB17D
oklch(78.8% 0.085 70.8)
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 #91BEEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.031
- Lightblue #7BC8F6 ΔE 0.031
- Carolina Blue #8AB8FE ΔE 0.032
- Sky #82CAFC ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Light Grey Blue #9DBCD4 ΔE 0.039
- Light Sky Blue #87CEFA ΔE 0.041
- Sky Blue #87CEEB ΔE 0.046
Use #91BEEF 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.