#91A7CA
Closest named color: Cool Steel (#97A7B3). oklch(72.4% 0.057 259.6), rgb(145, 167, 202).
Aa
Black text reads best on this color (8.58:1).
About this color
#91A7CA is a medium-light, muted blue. In OKLCH its lightness is 72%, its chroma 0.057 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.034 away. Black text reads best on it, at 8.58:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.58:1 |
| White text | 2.44:1 |
Values
| HEX | #91A7CA |
| RGB | rgb(145, 167, 202) |
| HSL | hsl(217, 35%, 68%) |
| OKLCH | oklch(72.4% 0.057 259.6) |
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 #91A7CA | 2.44:1 | Fails | Lc -53.1 | Large or bold text, headings |
| Black text on #91A7CA | 8.58:1 | AAA | Lc 55.9 | Large or bold text, headings |
| #91A7CA text on white | 2.44:1 | Fails | Lc 48.1 | Large or bold text, headings |
| #91A7CA text on black | 8.58:1 | AAA | Lc -53.9 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2DAE7
oklch(88.6% 0.02 260.2)
-
Step 300
300
#B3C2D8
oklch(81% 0.035 257.9)
-
Step 400
400 (this color)
#91A7CA
oklch(72.4% 0.057 259.6)
-
Step 500
500
#6F8AB6
oklch(63% 0.074 260)
-
Step 600
600
#5874A2
oklch(55.6% 0.079 260.1)
-
Step 700
700
#48618A
oklch(49.1% 0.073 260)
-
Step 800
800
#3B4F70
oklch(42.6% 0.061 260.2)
-
Step 900
900
#33425B
oklch(37.7% 0.047 260.4)
-
Step 950
950
#1E2735
oklch(27.1% 0.029 259.1)
#91A7CA 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) | #9BA9CC | 0.015 |
| Deuteranopia (no green cones) | #95A3C9 | 0.011 |
| Tritanopia (no blue cones) | #81AEB3 | 0.049 |
| Achromatopsia (no color) | #A6A6A6 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91A7CA
#91A7CA
oklch(72.4% 0.057 259.6)
- #B9A27E
#B9A27E
oklch(72.3% 0.056 78.8)
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 #91A7CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.034
- Bluegrey #85A3B2 ΔE 0.039
- Bluey Grey #89A0B0 ΔE 0.041
- Greyblue #77A1B5 ΔE 0.048
- Cool Gray #8D99AE ΔE 0.049
- Cool Grey #95A3A6 ΔE 0.051
- Dark Gray #A9A9A9 ΔE 0.058
- Light Grey Blue #9DBCD4 ΔE 0.060
Use #91A7CA 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.