#9099CF
Closest named color: Cool Gray (#8D99AE). oklch(69.6% 0.08 276.8), rgb(144, 153, 207).
Aa
Black text reads best on this color (7.64:1).
About this color
#9099CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.080 and its hue 277°. 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 7.64:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.64:1 |
| White text | 2.74:1 |
Values
| HEX | #9099CF |
| RGB | rgb(144, 153, 207) |
| HSL | hsl(231, 40%, 69%) |
| OKLCH | oklch(69.6% 0.08 276.8) |
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 #9099CF | 2.74:1 | Fails | Lc -58.3 | Large or bold text, headings |
| Black text on #9099CF | 7.64:1 | AAA | Lc 50.9 | Large or bold text, headings |
| #9099CF text on white | 2.74:1 | Fails | Lc 53.1 | Large or bold text, headings |
| #9099CF 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8EC
oklch(88.5% 0.028 276.8)
-
Step 300
300
#B8BEE1
oklch(80.8% 0.05 277.6)
-
Step 400
400 (this color)
#9099CF
oklch(69.6% 0.08 276.8)
-
Step 500
500
#7A83C7
oklch(63.1% 0.103 277.3)
-
Step 600
600
#636CB4
oklch(55.6% 0.112 276.7)
-
Step 700
700
#525A9A
oklch(49.1% 0.102 276.5)
-
Step 800
800
#434A7D
oklch(42.7% 0.085 276.3)
-
Step 900
900
#393E65
oklch(37.8% 0.067 277.1)
-
Step 950
950
#21243B
oklch(26.9% 0.043 277.4)
#9099CF 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) | #899FD1 | 0.017 |
| Deuteranopia (no green cones) | #859ACE | 0.015 |
| Tritanopia (no blue cones) | #80A3AC | 0.071 |
| Achromatopsia (no color) | #9C9C9C | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9099CF
#9099CF
oklch(69.6% 0.08 276.8)
- #AB9E63
#AB9E63
oklch(69.7% 0.08 97.3)
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 #9099CF, 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 0.057
- Greyblue #77A1B5 ΔE 0.060
- Bluegrey #85A3B2 ΔE 0.060
- Pale Purple #B790D4 ΔE 0.061
- Periwinkle Blue #8F99FB ΔE 0.066
- Cool Steel #97A7B3 ΔE 0.066
Use #9099CF 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.