#324478
Closest named color: Twilight Blue (#0A437A). oklch(39.9% 0.091 267.8), rgb(50, 68, 120).
Aa
White text reads best on this color (9.40:1).
About this color
#324478 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.091 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.036 away. White text reads best on it, at 9.40:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.23:1 |
| White text | 9.40:1 |
Values
| HEX | #324478 |
| RGB | rgb(50, 68, 120) |
| HSL | hsl(225, 41%, 33%) |
| OKLCH | oklch(39.9% 0.091 267.8) |
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 #324478 | 9.40:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #324478 | 2.23:1 | Fails | Lc 12.4 | Not readable |
| #324478 text on white | 9.40:1 | AAA | Lc 91.6 | Preferred for body text |
| #324478 text on black | 2.23:1 | Fails | Lc -10.8 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CED9F3
oklch(88.5% 0.038 267.3)
-
Step 300
300
#ADC0EE
oklch(80.9% 0.069 267.3)
-
Step 400
400
#839EE5
oklch(70.7% 0.109 267.7)
-
Step 500
500
#6584DD
oklch(63.1% 0.139 267.8)
-
Step 600
600
#4D6CCB
oklch(55.6% 0.151 267.7)
-
Step 700
700
#3E59B0
oklch(49% 0.142 267.9)
-
Step 800
800
#334A8E
oklch(42.8% 0.116 267.3)
-
Step 900
900 (this color)
#324478
oklch(39.9% 0.091 267.8)
-
Step 950
950
#1A2542
oklch(27% 0.056 266.9)
#324478 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) | #2E4A7A | 0.017 |
| Deuteranopia (no green cones) | #254377 | 0.016 |
| Tritanopia (no blue cones) | #074F58 | 0.081 |
| Achromatopsia (no color) | #464646 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #324478
#324478
oklch(39.9% 0.091 267.8)
- #5A4400
#5A4400
oklch(39.9% 0.082 87.6)
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 #324478, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.036
- Light Navy #155084 ΔE 0.041
- Cobalt #1E488F ΔE 0.042
- Dusk Blue #26538D ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.052
- Dark Grey Blue #29465B ΔE 0.054
- Blueberry #464196 ΔE 0.060
Use #324478 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.