#8B99CF
Closest named color: Cool Gray (#8D99AE). oklch(69.2% 0.081 272.9), rgb(139, 153, 207).
Aa
Black text reads best on this color (7.55:1).
About this color
#8B99CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.081 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.050 away. Black text reads best on it, at 7.55:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.55:1 |
| White text | 2.77:1 |
Values
| HEX | #8B99CF |
| RGB | rgb(139, 153, 207) |
| HSL | hsl(228, 41%, 68%) |
| OKLCH | oklch(69.2% 0.081 272.9) |
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 #8B99CF | 2.77:1 | Fails | Lc -58.8 | Large or bold text, headings |
| Black text on #8B99CF | 7.55:1 | AAA | Lc 50.5 | Large or bold text, headings |
| #8B99CF text on white | 2.77:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #8B99CF text on black | 7.55:1 | AAA | Lc -48.3 | 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
#E6E9F4
oklch(93.5% 0.015 273.8)
-
Step 200
200
#D3D8EC
oklch(88.4% 0.028 274.6)
-
Step 300
300
#B5BFE2
oklch(80.8% 0.051 272.7)
-
Step 400
400 (this color)
#8B99CF
oklch(69.2% 0.081 272.9)
-
Step 500
500
#7585C8
oklch(63.2% 0.103 272.9)
-
Step 600
600
#5E6DB5
oklch(55.5% 0.113 273.3)
-
Step 700
700
#4D5B9C
oklch(49.1% 0.105 272.8)
-
Step 800
800
#3F4B7E
oklch(42.7% 0.086 272.3)
-
Step 900
900
#363F66
oklch(37.8% 0.068 272.9)
-
Step 950
950
#1F253B
oklch(27% 0.042 271.7)
#8B99CF 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) | #889ED1 | 0.013 |
| Deuteranopia (no green cones) | #8398CE | 0.011 |
| Tritanopia (no blue cones) | #78A3AC | 0.072 |
| Achromatopsia (no color) | #9B9B9B | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B99CF
#8B99CF
oklch(69.2% 0.081 272.9)
- #AD9B60
#AD9B60
oklch(69.2% 0.081 93)
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 #8B99CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.050
- Perrywinkle #8F8CE7 ΔE 0.056
- Bluey Grey #89A0B0 ΔE 0.056
- Greyblue #77A1B5 ΔE 0.057
- Bluegrey #85A3B2 ΔE 0.059
- Cornflower Blue #6495ED ΔE 0.066
- Periwinkle Blue #8F99FB ΔE 0.066
- Pale Purple #B790D4 ΔE 0.067
Use #8B99CF 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.