#9399CF
Closest named color: Cool Gray (#8D99AE). oklch(69.8% 0.079 279.2), rgb(147, 153, 207).
Aa
Black text reads best on this color (7.69:1).
About this color
#9399CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.079 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.051 away. Black text reads best on it, at 7.69:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.69:1 |
| White text | 2.72:1 |
Values
| HEX | #9399CF |
| RGB | rgb(147, 153, 207) |
| HSL | hsl(234, 38%, 69%) |
| OKLCH | oklch(69.8% 0.079 279.2) |
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 #9399CF | 2.72:1 | Fails | Lc -58.0 | Large or bold text, headings |
| Black text on #9399CF | 7.69:1 | AAA | Lc 51.2 | Large or bold text, headings |
| #9399CF text on white | 2.72:1 | Fails | Lc 52.8 | Large or bold text, headings |
| #9399CF text on black | 7.69:1 | AAA | Lc -49.1 | 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
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D5D8EC
oklch(88.6% 0.028 279)
-
Step 300
300
#B9BEE1
oklch(80.9% 0.05 278.8)
-
Step 400
400 (this color)
#9399CF
oklch(69.8% 0.079 279.2)
-
Step 500
500
#7D82C6
oklch(63% 0.102 279.8)
-
Step 600
600
#666BB3
oklch(55.6% 0.111 279.1)
-
Step 700
700
#55599A
oklch(49.1% 0.103 279.2)
-
Step 800
800
#46497D
oklch(42.8% 0.086 279.6)
-
Step 900
900
#3A3D64
oklch(37.6% 0.067 279.3)
-
Step 950
950
#22243B
oklch(27% 0.043 279.3)
#9399CF 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 | 0.019 |
| Deuteranopia (no green cones) | #869BCE | 0.018 |
| Tritanopia (no blue cones) | #84A3AC | 0.070 |
| Achromatopsia (no color) | #9D9D9D | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9399CF
#9399CF
oklch(69.8% 0.079 279.2)
- #AA9F64
#AA9F64
oklch(69.8% 0.08 99)
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 #9399CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.051
- Perrywinkle #8F8CE7 ΔE 0.056
- Pale Purple #B790D4 ΔE 0.057
- Bluey Grey #89A0B0 ΔE 0.058
- Bluegrey #85A3B2 ΔE 0.062
- Greyblue #77A1B5 ΔE 0.062
- Cool Steel #97A7B3 ΔE 0.066
- Periwinkle Blue #8F99FB ΔE 0.066
Use #9399CF 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.