#91A9CD
Closest named color: Cool Steel (#97A7B3). oklch(72.9% 0.059 258.4), rgb(145, 169, 205).
Aa
Black text reads best on this color (8.76:1).
About this color
#91A9CD is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.059 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.037 away. Black text reads best on it, at 8.76:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.76:1 |
| White text | 2.39:1 |
Values
| HEX | #91A9CD |
| RGB | rgb(145, 169, 205) |
| HSL | hsl(216, 38%, 69%) |
| OKLCH | oklch(72.9% 0.059 258.4) |
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 #91A9CD | 2.39:1 | Fails | Lc -52.2 | Large or bold text, headings |
| Black text on #91A9CD | 8.76:1 | AAA | Lc 56.8 | Large or bold text, headings |
| #91A9CD text on white | 2.39:1 | Fails | Lc 47.2 | Large or bold text, headings |
| #91A9CD text on black | 8.76:1 | AAA | Lc -54.8 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D1DAE7
oklch(88.5% 0.02 257.5)
-
Step 300
300
#B2C2D9
oklch(80.9% 0.037 257.4)
-
Step 400
400 (this color)
#91A9CD
oklch(72.9% 0.059 258.4)
-
Step 500
500
#6D8BB7
oklch(63.1% 0.075 257.8)
-
Step 600
600
#5574A3
oklch(55.5% 0.082 258.5)
-
Step 700
700
#45618C
oklch(49% 0.077 258.7)
-
Step 800
800
#395071
oklch(42.7% 0.062 257.4)
-
Step 900
900
#31425C
oklch(37.6% 0.05 258.7)
-
Step 950
950
#1D2736
oklch(27% 0.031 258.3)
#91A9CD 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) | #9DABCF | 0.017 |
| Deuteranopia (no green cones) | #96A5CC | 0.012 |
| Tritanopia (no blue cones) | #80B1B5 | 0.053 |
| Achromatopsia (no color) | #A7A7A7 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91A9CD
#91A9CD
oklch(72.9% 0.059 258.4)
- #BCA37E
#BCA37E
oklch(72.8% 0.058 77.3)
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 #91A9CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.037
- Bluegrey #85A3B2 ΔE 0.044
- Bluey Grey #89A0B0 ΔE 0.046
- Greyblue #77A1B5 ΔE 0.052
- Light Grey Blue #9DBCD4 ΔE 0.055
- Cool Grey #95A3A6 ΔE 0.055
- Cool Gray #8D99AE ΔE 0.055
- Dark Gray #A9A9A9 ΔE 0.059
Use #91A9CD 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.