#959BCB
Closest named color: Cool Gray (#8D99AE). oklch(70.2% 0.071 278.9), rgb(149, 155, 203).
Aa
Black text reads best on this color (7.82:1).
About this color
#959BCB is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.071 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.045 away. Black text reads best on it, at 7.82:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.82:1 |
| White text | 2.68:1 |
Values
| HEX | #959BCB |
| RGB | rgb(149, 155, 203) |
| HSL | hsl(233, 34%, 69%) |
| OKLCH | oklch(70.2% 0.071 278.9) |
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 #959BCB | 2.68:1 | Fails | Lc -57.3 | Large or bold text, headings |
| Black text on #959BCB | 7.82:1 | AAA | Lc 51.9 | Large or bold text, headings |
| #959BCB text on white | 2.68:1 | Fails | Lc 52.1 | Large or bold text, headings |
| #959BCB text on black | 7.82:1 | AAA | Lc -49.8 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D5D8EA
oklch(88.5% 0.025 278.3)
-
Step 300
300
#BABEDD
oklch(80.8% 0.044 279.6)
-
Step 400
400 (this color)
#959BCB
oklch(70.2% 0.071 278.9)
-
Step 500
500
#7D84C0
oklch(63.2% 0.09 278.4)
-
Step 600
600
#676DAC
oklch(55.7% 0.098 278.6)
-
Step 700
700
#565A94
oklch(49.1% 0.092 279.4)
-
Step 800
800
#464A78
oklch(42.7% 0.076 278.9)
-
Step 900
900
#3B3E60
oklch(37.7% 0.058 279.3)
-
Step 950
950
#222538
oklch(27.1% 0.036 276.8)
#959BCB 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) | #8EA0CD | 0.015 |
| Deuteranopia (no green cones) | #8B9CCA | 0.014 |
| Tritanopia (no blue cones) | #88A4AB | 0.064 |
| Achromatopsia (no color) | #9E9E9E | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #959BCB
#959BCB
oklch(70.2% 0.071 278.9)
- #AAA06D
#AAA06D
oklch(70.2% 0.07 98.4)
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 #959BCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.045
- Bluey Grey #89A0B0 ΔE 0.050
- Bluegrey #85A3B2 ΔE 0.054
- Cool Steel #97A7B3 ΔE 0.056
- Greyblue #77A1B5 ΔE 0.057
- Pale Purple #B790D4 ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.066
- Cool Grey #95A3A6 ΔE 0.066
Use #959BCB 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.