#8B99CC
Closest named color: Cool Gray (#8D99AE). oklch(69.1% 0.077 272.4), rgb(139, 153, 204).
Aa
Black text reads best on this color (7.52:1).
About this color
#8B99CC is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.077 and its hue 272°. 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 7.52:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.52:1 |
| White text | 2.79:1 |
Values
| HEX | #8B99CC |
| RGB | rgb(139, 153, 204) |
| HSL | hsl(227, 39%, 67%) |
| OKLCH | oklch(69.1% 0.077 272.4) |
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 #8B99CC | 2.79:1 | Fails | Lc -59.0 | Large or bold text, headings |
| Black text on #8B99CC | 7.52:1 | AAA | Lc 50.3 | Large or bold text, headings |
| #8B99CC text on white | 2.79:1 | Fails | Lc 53.7 | Large or bold text, headings |
| #8B99CC text on black | 7.52:1 | AAA | Lc -48.1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6E9F3
oklch(93.5% 0.014 272.7)
-
Step 200
200
#D3D8EB
oklch(88.4% 0.027 274.1)
-
Step 300
300
#B6BFE1
oklch(80.9% 0.049 273.6)
-
Step 400
400 (this color)
#8B99CC
oklch(69.1% 0.077 272.4)
-
Step 500
500
#7585C5
oklch(63% 0.098 272.6)
-
Step 600
600
#5E6EB2
oklch(55.6% 0.107 272.5)
-
Step 700
700
#4E5C99
oklch(49.2% 0.099 272.5)
-
Step 800
800
#404B7C
oklch(42.7% 0.083 272.9)
-
Step 900
900
#363F64
oklch(37.7% 0.065 272.6)
-
Step 950
950
#20253A
oklch(27% 0.04 273.2)
#8B99CC 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) | #899ECE | 0.013 |
| Deuteranopia (no green cones) | #8498CB | 0.010 |
| Tritanopia (no blue cones) | #79A3AB | 0.069 |
| Achromatopsia (no color) | #9B9B9B | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B99CC
#8B99CC
oklch(69.1% 0.077 272.4)
- #AC9B63
#AC9B63
oklch(69.1% 0.077 93.1)
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 #8B99CC, 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 0.052
- Greyblue #77A1B5 ΔE 0.053
- Bluegrey #85A3B2 ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.060
- Silver Lake Blue #778DA9 ΔE 0.064
- Cool Steel #97A7B3 ΔE 0.064
- Faded Blue #658CBB ΔE 0.066
Use #8B99CC 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.