#91A7EB
Closest named color: Carolina Blue (#8AB8FE). oklch(73.8% 0.102 270), rgb(145, 167, 235).
Aa
Black text reads best on this color (8.93:1).
About this color
#91A7EB is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.102 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.046 away. Black text reads best on it, at 8.93:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 8.93:1 |
| White text | 2.35:1 |
Values
| HEX | #91A7EB |
| RGB | rgb(145, 167, 235) |
| HSL | hsl(225, 69%, 75%) |
| OKLCH | oklch(73.8% 0.102 270) |
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 #91A7EB | 2.35:1 | Fails | Lc -51.2 | Large or bold text, headings |
| Black text on #91A7EB | 8.93:1 | AAA | Lc 57.7 | Large or bold text, headings |
| #91A7EB text on white | 2.35:1 | Fails | Lc 46.3 | Large or bold text, headings |
| #91A7EB text on black | 8.93:1 | AAA | Lc -55.8 | Large or bold text, headings |
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 400.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#D0D9F1
oklch(88.6% 0.034 269.3)
-
Step 300
300
#B0BFEB
oklch(80.8% 0.065 270.2)
-
Step 400
400 (this color)
#91A7EB
oklch(73.8% 0.102 270)
-
Step 500
500
#6B84D8
oklch(63.2% 0.13 269.9)
-
Step 600
600
#546CC5
oklch(55.7% 0.14 270)
-
Step 700
700
#4459AB
oklch(49% 0.133 270.1)
-
Step 800
800
#38498A
oklch(42.6% 0.109 270.2)
-
Step 900
900
#303E6E
oklch(37.7% 0.084 269.8)
-
Step 950
950
#1C2541
oklch(27.1% 0.054 269.1)
#91A7EB 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) | #90ADEE | 0.015 |
| Deuteranopia (no green cones) | #88A5E9 | 0.013 |
| Tritanopia (no blue cones) | #75B5BF | 0.092 |
| Achromatopsia (no color) | #A9A9A9 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91A7EB
#91A7EB
oklch(73.8% 0.102 270)
- #C3A75A
#C3A75A
oklch(73.7% 0.102 89.8)
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 #91A7EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.048
- Pastel Blue #A2BFFE ΔE 0.069
- Perrywinkle #8F8CE7 ΔE 0.070
- Pale Purple #B790D4 ΔE 0.075
- Cornflower Blue #6495ED ΔE 0.077
- Light Grey Blue #9DBCD4 ΔE 0.077
- Cool Steel #97A7B3 ΔE 0.083
Use #91A7EB 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.