#9399BF
Closest named color: Cool Gray (#8D99AE). oklch(69.1% 0.056 277.8), rgb(147, 153, 191).
Aa
Black text reads best on this color (7.54:1).
About this color
#9399BF is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.056 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.028 away. Black text reads best on it, at 7.54:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.54:1 |
| White text | 2.78:1 |
Values
| HEX | #9399BF |
| RGB | rgb(147, 153, 191) |
| HSL | hsl(232, 26%, 66%) |
| OKLCH | oklch(69.1% 0.056 277.8) |
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 #9399BF | 2.78:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #9399BF | 7.54:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #9399BF text on white | 2.78:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #9399BF text on black | 7.54:1 | AAA | Lc -48.2 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D6D8E6
oklch(88.5% 0.019 279.5)
-
Step 300
300
#BBBFD8
oklch(80.9% 0.035 278.4)
-
Step 400
400 (this color)
#9399BF
oklch(69.1% 0.056 277.8)
-
Step 500
500
#7F86B5
oklch(63.2% 0.071 277.6)
-
Step 600
600
#686FA1
oklch(55.6% 0.078 277.4)
-
Step 700
700
#575D8A
oklch(49.2% 0.072 277.6)
-
Step 800
800
#474C70
oklch(42.8% 0.06 277.5)
-
Step 900
900
#3B3F5A
oklch(37.6% 0.047 277.4)
-
Step 950
950
#232535
oklch(27% 0.03 278.7)
#9399BF 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) | #8F9DC1 | 0.011 |
| Deuteranopia (no green cones) | #8C99BE | 0.010 |
| Tritanopia (no blue cones) | #89A0A6 | 0.050 |
| Achromatopsia (no color) | #9B9B9B | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9399BF
#9399BF
oklch(69.1% 0.056 277.8)
- #A59D74
#A59D74
oklch(69.2% 0.057 98.4)
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 #9399BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.028
- Bluey Grey #89A0B0 ΔE 0.037
- Bluegrey #85A3B2 ΔE 0.042
- Greyblue #77A1B5 ΔE 0.046
- Cool Steel #97A7B3 ΔE 0.048
- Cool Grey #95A3A6 ΔE 0.053
- Heather #A484AC ΔE 0.057
- Silver Lake Blue #778DA9 ΔE 0.060
Use #9399BF 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.