#323E6D
Closest named color: Twilight Blue (#0A437A). oklch(37.7% 0.082 271.2), rgb(50, 62, 109).
Aa
White text reads best on this color (10.26:1).
About this color
#323E6D is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.082 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.040 away. White text reads best on it, at 10.26:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.04:1 |
| White text | 10.26:1 |
Values
| HEX | #323E6D |
| RGB | rgb(50, 62, 109) |
| HSL | hsl(228, 37%, 31%) |
| OKLCH | oklch(37.7% 0.082 271.2) |
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 #323E6D | 10.26:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #323E6D | 2.04:1 | Fails | Lc 10.2 | Not readable |
| #323E6D text on white | 10.26:1 | AAA | Lc 93.7 | Preferred for body text |
| #323E6D text on black | 2.04:1 | Fails | Lc -8.8 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5E9F6
oklch(93.5% 0.018 272.3)
-
Step 200
200
#D1D8F0
oklch(88.4% 0.034 272.8)
-
Step 300
300
#B2BFE9
oklch(80.9% 0.061 271.5)
-
Step 400
400
#8A9DDE
oklch(70.7% 0.098 271.2)
-
Step 500
500
#6E84D5
oklch(63.2% 0.125 271)
-
Step 600
600
#576CC3
oklch(55.7% 0.137 271.2)
-
Step 700
700
#4759A8
oklch(49% 0.128 271.3)
-
Step 800
800
#3A4988
oklch(42.6% 0.106 271.2)
-
Step 900
900 (this color)
#323E6D
oklch(37.7% 0.082 271.2)
-
Step 950
950
#1D2440
oklch(26.9% 0.053 271.8)
#323E6D 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) | #2B436F | 0.016 |
| Deuteranopia (no green cones) | #253E6C | 0.017 |
| Tritanopia (no blue cones) | #184850 | 0.073 |
| Achromatopsia (no color) | #414141 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #323E6D
#323E6D
oklch(37.7% 0.082 271.2)
- #514000
#514000
oklch(37.9% 0.077 91.7)
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 #323E6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.040
- Dark Grey Blue #29465B ΔE 0.046
- Marine Blue #01386A ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.055
- Charcoal #264653 ΔE 0.060
- Light Navy #155084 ΔE 0.061
- Cobalt #1E488F ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.062
Use #323E6D 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.