#91A8DD
Closest named color: Carolina Blue (#8AB8FE). oklch(73.4% 0.081 266.2), rgb(145, 168, 221).
Aa
Black text reads best on this color (8.84:1).
About this color
#91A8DD is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.081 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.055 away. Black text reads best on it, at 8.84:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 8.84:1 |
| White text | 2.37:1 |
Values
| HEX | #91A8DD |
| RGB | rgb(145, 168, 221) |
| HSL | hsl(222, 53%, 72%) |
| OKLCH | oklch(73.4% 0.081 266.2) |
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 #91A8DD | 2.37:1 | Fails | Lc -51.7 | Large or bold text, headings |
| Black text on #91A8DD | 8.84:1 | AAA | Lc 57.2 | Large or bold text, headings |
| #91A8DD text on white | 2.37:1 | Fails | Lc 46.7 | Large or bold text, headings |
| #91A8DD text on black | 8.84:1 | AAA | Lc -55.3 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9ED
oklch(88.5% 0.029 266.4)
-
Step 300
300
#B1C1E2
oklch(81% 0.05 264.8)
-
Step 400
400 (this color)
#91A8DD
oklch(73.4% 0.081 266.2)
-
Step 500
500
#6C87C9
oklch(63% 0.105 266.5)
-
Step 600
600
#5470B6
oklch(55.6% 0.114 266.3)
-
Step 700
700
#455E9C
oklch(49.2% 0.104 266.1)
-
Step 800
800
#394D7F
oklch(42.8% 0.087 266.3)
-
Step 900
900
#314066
oklch(37.7% 0.068 266.8)
-
Step 950
950
#1D263C
oklch(27.1% 0.043 266.6)
#91A8DD 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) | #96ACDF | 0.013 |
| Deuteranopia (no green cones) | #8FA5DC | 0.009 |
| Tritanopia (no blue cones) | #7AB3BA | 0.074 |
| Achromatopsia (no color) | #A8A8A8 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91A8DD
#91A8DD
oklch(73.4% 0.081 266.2)
- #C0A66C
#C0A66C
oklch(73.5% 0.082 86.3)
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 #91A8DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.055
- Cool Steel #97A7B3 ΔE 0.062
- Light Grey Blue #9DBCD4 ΔE 0.063
- Bluegrey #85A3B2 ΔE 0.065
- Bluey Grey #89A0B0 ΔE 0.067
- Periwinkle Blue #8F99FB ΔE 0.067
- Greyblue #77A1B5 ΔE 0.070
- Cool Gray #8D99AE ΔE 0.071
Use #91A8DD 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.