#91A0D1
Closest named color: Cool Gray (#8D99AE). oklch(71.2% 0.074 271.2), rgb(145, 160, 209).
Aa
Black text reads best on this color (8.15:1).
About this color
#91A0D1 is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.074 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.051 away. Black text reads best on it, at 8.15:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 8.15:1 |
| White text | 2.57:1 |
Values
| HEX | #91A0D1 |
| RGB | rgb(145, 160, 209) |
| HSL | hsl(226, 41%, 69%) |
| OKLCH | oklch(71.2% 0.074 271.2) |
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 #91A0D1 | 2.57:1 | Fails | Lc -55.5 | Large or bold text, headings |
| Black text on #91A0D1 | 8.15:1 | AAA | Lc 53.7 | Large or bold text, headings |
| #91A0D1 text on white | 2.57:1 | Fails | Lc 50.4 | Large or bold text, headings |
| #91A0D1 text on black | 8.15:1 | AAA | Lc -51.6 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D3D9EB
oklch(88.6% 0.026 271.1)
-
Step 300
300
#B5C0DF
oklch(80.9% 0.045 269.9)
-
Step 400
400 (this color)
#91A0D1
oklch(71.2% 0.074 271.2)
-
Step 500
500
#7586C3
oklch(63.1% 0.094 271.6)
-
Step 600
600
#5D6FAF
oklch(55.6% 0.102 270.9)
-
Step 700
700
#4D5D97
oklch(49.2% 0.095 270.9)
-
Step 800
800
#3F4C7A
oklch(42.7% 0.078 270.8)
-
Step 900
900
#363F62
oklch(37.6% 0.061 272.2)
-
Step 950
950
#1F253A
oklch(26.9% 0.04 271.3)
#91A0D1 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) | #91A4D3 | 0.010 |
| Deuteranopia (no green cones) | #8C9FD0 | 0.008 |
| Tritanopia (no blue cones) | #80A9B1 | 0.065 |
| Achromatopsia (no color) | #A1A1A1 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91A0D1
#91A0D1
oklch(71.2% 0.074 271.2)
- #B3A16C
#B3A16C
oklch(71.2% 0.074 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 #91A0D1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.051
- Bluey Grey #89A0B0 ΔE 0.052
- Bluegrey #85A3B2 ΔE 0.053
- Cool Steel #97A7B3 ΔE 0.054
- Greyblue #77A1B5 ΔE 0.056
- Pale Purple #B790D4 ΔE 0.067
- Cool Grey #95A3A6 ΔE 0.067
- Periwinkle Blue #8F99FB ΔE 0.070
Use #91A0D1 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.