#939BBB
Closest named color: Cool Gray (#8D99AE). oklch(69.4% 0.048 274.1), rgb(147, 155, 187).
Aa
Black text reads best on this color (7.64:1).
About this color
#939BBB is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.048 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.021 away. Black text reads best on it, at 7.64:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.64:1 |
| White text | 2.74:1 |
Values
| HEX | #939BBB |
| RGB | rgb(147, 155, 187) |
| HSL | hsl(228, 23%, 65%) |
| OKLCH | oklch(69.4% 0.048 274.1) |
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 #939BBB | 2.74:1 | Fails | Lc -58.3 | Large or bold text, headings |
| Black text on #939BBB | 7.64:1 | AAA | Lc 50.9 | Large or bold text, headings |
| #939BBB text on white | 2.74:1 | Fails | Lc 53.1 | Large or bold text, headings |
| #939BBB text on black | 7.64:1 | AAA | Lc -48.8 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D5D9E4
oklch(88.5% 0.016 270)
-
Step 300
300
#BAC0D5
oklch(81% 0.03 273)
-
Step 400
400 (this color)
#939BBB
oklch(69.4% 0.048 274.1)
-
Step 500
500
#7E87AF
oklch(63.1% 0.061 274.7)
-
Step 600
600
#67719B
oklch(55.7% 0.066 273.7)
-
Step 700
700
#565E84
oklch(49.1% 0.062 274.7)
-
Step 800
800
#464D6B
oklch(42.7% 0.051 273.9)
-
Step 900
900
#3B4057
oklch(37.7% 0.04 274.8)
-
Step 950
950
#222633
oklch(27.1% 0.025 271.4)
#939BBB 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) | #929EBC | 0.008 |
| Deuteranopia (no green cones) | #8F9BBA | 0.006 |
| Tritanopia (no blue cones) | #8AA1A6 | 0.042 |
| Achromatopsia (no color) | #9C9C9C | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #939BBB
#939BBB
oklch(69.4% 0.048 274.1)
- #A69D7B
#A69D7B
oklch(69.5% 0.048 95)
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 #939BBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.021
- Bluey Grey #89A0B0 ΔE 0.028
- Bluegrey #85A3B2 ΔE 0.034
- Cool Steel #97A7B3 ΔE 0.040
- Greyblue #77A1B5 ΔE 0.041
- Cool Grey #95A3A6 ΔE 0.044
- Silver Lake Blue #778DA9 ΔE 0.060
- Pewter #96A8A1 ΔE 0.061
Use #939BBB 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.