#91A8EF
Closest named color: Carolina Blue (#8AB8FE). oklch(74.2% 0.106 269.9), rgb(145, 168, 239).
Aa
Black text reads best on this color (9.05:1).
About this color
#91A8EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.106 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.042 away. Black text reads best on it, at 9.05:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.05:1 |
| White text | 2.32:1 |
Values
| HEX | #91A8EF |
| RGB | rgb(145, 168, 239) |
| HSL | hsl(225, 75%, 75%) |
| OKLCH | oklch(74.2% 0.106 269.9) |
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 #91A8EF | 2.32:1 | Fails | Lc -50.6 | Large or bold text, headings |
| Black text on #91A8EF | 9.05:1 | AAA | Lc 58.3 | Large or bold text, headings |
| #91A8EF text on white | 2.32:1 | Fails | Lc 45.7 | Large or bold text, headings |
| #91A8EF text on black | 9.05:1 | AAA | Lc -56.4 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#B0BFED
oklch(80.9% 0.067 270.7)
-
Step 400
400 (this color)
#91A8EF
oklch(74.2% 0.106 269.9)
-
Step 500
500
#6A83DB
oklch(63.1% 0.136 270.2)
-
Step 600
600
#526BC9
oklch(55.6% 0.148 269.9)
-
Step 700
700
#4359AE
oklch(49.2% 0.137 269.8)
-
Step 800
800
#37498D
oklch(42.7% 0.114 269.9)
-
Step 900
900
#2F3E70
oklch(37.7% 0.088 269.3)
-
Step 950
950
#1C2442
oklch(26.9% 0.057 270.9)
#91A8EF 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) | #90AEF2 | 0.015 |
| Deuteranopia (no green cones) | #88A6ED | 0.013 |
| Tritanopia (no blue cones) | #73B6C1 | 0.095 |
| Achromatopsia (no color) | #AAAAAA | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91A8EF
#91A8EF
oklch(74.2% 0.106 269.9)
- #C5A857
#C5A857
oklch(74.1% 0.106 90)
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 #91A8EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.042
- Periwinkle Blue #8F99FB ΔE 0.047
- Pastel Blue #A2BFFE ΔE 0.066
- Perrywinkle #8F8CE7 ΔE 0.072
- Pale Purple #B790D4 ΔE 0.078
- Cornflower Blue #6495ED ΔE 0.078
- Light Grey Blue #9DBCD4 ΔE 0.078
- Lightblue #7BC8F6 ΔE 0.084
Use #91A8EF 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.