#91A9FF
Closest named color: Carolina Blue (#8AB8FE). oklch(75.1% 0.127 271.2), rgb(145, 169, 255).
Aa
Black text reads best on this color (9.32:1).
About this color
#91A9FF is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.127 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.040 away. Black text reads best on it, at 9.32:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.32:1 |
| White text | 2.25:1 |
Values
| HEX | #91A9FF |
| RGB | rgb(145, 169, 255) |
| HSL | hsl(227, 100%, 78%) |
| OKLCH | oklch(75.1% 0.127 271.2) |
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 #91A9FF | 2.25:1 | Fails | Lc -49.1 | Large or bold text, headings |
| Black text on #91A9FF | 9.32:1 | AAA | Lc 59.7 | Large or bold text, headings |
| #91A9FF text on white | 2.25:1 | Fails | Lc 44.3 | Non-text elements, placeholder text |
| #91A9FF text on black | 9.32:1 | AAA | Lc -57.8 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F7
oklch(88.4% 0.044 271.3)
-
Step 300
300
#AEBEF5
oklch(80.9% 0.08 271.9)
-
Step 400
400 (this color)
#91A9FF
oklch(75.1% 0.127 271.2)
-
Step 500
500
#6780EB
oklch(63.2% 0.162 271.2)
-
Step 600
600
#5066D9
oklch(55.6% 0.177 271.3)
-
Step 700
700
#4154BC
oklch(49.1% 0.164 271.2)
-
Step 800
800
#354598
oklch(42.6% 0.136 271.2)
-
Step 900
900
#2E3B79
oklch(37.6% 0.106 271.5)
-
Step 950
950
#1B2347
oklch(27% 0.068 271.8)
#91A9FF 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) | #8AB2FF | 0.024 |
| Deuteranopia (no green cones) | #80A8FD | 0.021 |
| Tritanopia (no blue cones) | #6BBBC8 | 0.115 |
| Achromatopsia (no color) | #ADADAD | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91A9FF
#91A9FF
oklch(75.1% 0.127 271.2)
- #CCAB42
#CCAB42
oklch(75.1% 0.127 91.4)
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 #91A9FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.040
- Periwinkle Blue #8F99FB ΔE 0.041
- Pastel Blue #A2BFFE ΔE 0.065
- Perrywinkle #8F8CE7 ΔE 0.076
- Pastel Purple #CAA0FF ΔE 0.080
- Cornflower Blue #6495ED ΔE 0.081
- Baby Purple #CA9BF7 ΔE 0.083
- Lavender Blue #8B88F8 ΔE 0.084
Use #91A9FF 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.