#91A3CE
Closest named color: Cool Steel (#97A7B3). oklch(71.7% 0.066 267), rgb(145, 163, 206).
Aa
Black text reads best on this color (8.33:1).
About this color
#91A3CE is a medium-light, muted blue. In OKLCH its lightness is 72%, its chroma 0.066 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.045 away. Black text reads best on it, at 8.33:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.33:1 |
| White text | 2.51:1 |
Values
| HEX | #91A3CE |
| RGB | rgb(145, 163, 206) |
| HSL | hsl(222, 38%, 69%) |
| OKLCH | oklch(71.7% 0.066 267) |
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 #91A3CE | 2.51:1 | Fails | Lc -54.5 | Large or bold text, headings |
| Black text on #91A3CE | 8.33:1 | AAA | Lc 54.6 | Large or bold text, headings |
| #91A3CE text on white | 2.51:1 | Fails | Lc 49.4 | Large or bold text, headings |
| #91A3CE text on black | 8.33:1 | AAA | Lc -52.5 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D2D9E9
oklch(88.5% 0.023 266.9)
-
Step 300
300
#B5C0DC
oklch(80.8% 0.041 268.5)
-
Step 400
400 (this color)
#91A3CE
oklch(71.7% 0.066 267)
-
Step 500
500
#7288BD
oklch(63.1% 0.084 266.7)
-
Step 600
600
#5B71AA
oklch(55.6% 0.093 267.3)
-
Step 700
700
#4B5F91
oklch(49.2% 0.084 266.7)
-
Step 800
800
#3D4D76
oklch(42.6% 0.071 267.1)
-
Step 900
900
#34415F
oklch(37.8% 0.054 265.9)
-
Step 950
950
#1F2638
oklch(27.1% 0.035 267.7)
#91A3CE 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) | #95A6D0 | 0.010 |
| Deuteranopia (no green cones) | #90A1CD | 0.006 |
| Tritanopia (no blue cones) | #80ABB1 | 0.059 |
| Achromatopsia (no color) | #A3A3A3 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91A3CE
#91A3CE
oklch(71.7% 0.066 267)
- #B6A174
#B6A174
oklch(71.6% 0.066 85.7)
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 #91A3CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.045
- Bluey Grey #89A0B0 ΔE 0.046
- Bluegrey #85A3B2 ΔE 0.046
- Cool Gray #8D99AE ΔE 0.049
- Greyblue #77A1B5 ΔE 0.052
- Cool Grey #95A3A6 ΔE 0.059
- Dark Gray #A9A9A9 ΔE 0.069
- Light Grey Blue #9DBCD4 ΔE 0.070
Use #91A3CE 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.