#323988
Closest named color: Dark Slate Blue (#483D8B). oklch(38.7% 0.13 274.7), rgb(50, 57, 136).
Aa
White text reads best on this color (10.11:1).
About this color
#323988 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.130 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.038 away. White text reads best on it, at 10.11:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.07:1 |
| White text | 10.11:1 |
Values
| HEX | #323988 |
| RGB | rgb(50, 57, 136) |
| HSL | hsl(235, 46%, 36%) |
| OKLCH | oklch(38.7% 0.13 274.7) |
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 #323988 | 10.11:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #323988 | 2.07:1 | Fails | Lc 10.8 | Not readable |
| #323988 text on white | 10.11:1 | AAA | Lc 93.1 | Preferred for body text |
| #323988 text on black | 2.07:1 | Fails | Lc -9.3 | Not readable |
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 900.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CED7FE
oklch(88.5% 0.055 275)
-
Step 300
300
#AEBCFF
oklch(80.9% 0.096 274.9)
-
Step 400
400
#8596FF
oklch(70.6% 0.154 274.8)
-
Step 500
500
#6A78FF
oklch(63.2% 0.198 274.8)
-
Step 600
600
#545BEF
oklch(55.5% 0.218 274.7)
-
Step 700
700
#454AD0
oklch(49.1% 0.202 274.5)
-
Step 800
800
#393EA8
oklch(42.8% 0.167 274.8)
-
Step 900
900 (this color)
#323988
oklch(38.7% 0.13 274.7)
-
Step 950
950
#1C214E
oklch(27.1% 0.082 274.8)
#323988 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) | #00458B | 0.046 |
| Deuteranopia (no green cones) | #003E86 | 0.042 |
| Tritanopia (no blue cones) | #004C5A | 0.112 |
| Achromatopsia (no color) | #424242 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #323988
#323988
oklch(38.7% 0.13 274.7)
- #524300
#524300
oklch(38.7% 0.079 94.4)
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 #323988, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.038
- Cobalt #1E488F ΔE 0.043
- Blueberry #464196 ΔE 0.045
- Twilight Blue #0A437A ΔE 0.051
- Sapphire #2138AB ΔE 0.061
- Light Navy #155084 ΔE 0.067
- Dusk Blue #26538D ΔE 0.071
- Marine Blue #01386A ΔE 0.071
Use #323988 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.