#323777
Closest named color: Twilight Blue (#0A437A). oklch(36.9% 0.108 276.4), rgb(50, 55, 119).
Aa
White text reads best on this color (10.77:1).
About this color
#323777 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.108 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.046 away. White text reads best on it, at 10.77:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 1.94:1 |
| White text | 10.77:1 |
Values
| HEX | #323777 |
| RGB | rgb(50, 55, 119) |
| HSL | hsl(236, 41%, 33%) |
| OKLCH | oklch(36.9% 0.108 276.4) |
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 #323777 | 10.77:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #323777 | 1.94:1 | Fails | Lc 9.2 | Not readable |
| #323777 text on white | 10.77:1 | AAA | Lc 94.7 | Preferred for body text |
| #323777 text on black | 1.94:1 | Fails | Lc -7.9 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D1D7F7
oklch(88.5% 0.044 277.1)
-
Step 300
300
#B2BDF5
oklch(80.9% 0.08 275.8)
-
Step 400
400
#8C98F0
oklch(70.7% 0.129 276.7)
-
Step 500
500
#717CEB
oklch(63.1% 0.165 276.3)
-
Step 600
600
#5B62DA
oklch(55.6% 0.181 276.3)
-
Step 700
700
#4C50BD
oklch(49.1% 0.168 276.7)
-
Step 800
800
#3E4399
oklch(42.8% 0.138 276.4)
-
Step 900
900 (this color)
#323777
oklch(36.9% 0.108 276.4)
-
Step 950
950
#1E2247
oklch(27% 0.068 276.2)
#323777 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) | #154079 | 0.037 |
| Deuteranopia (no green cones) | #083B76 | 0.041 |
| Tritanopia (no blue cones) | #0D4551 | 0.094 |
| Achromatopsia (no color) | #3E3E3E | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #323777
#323777
oklch(36.9% 0.108 276.4)
- #4B3F00
#4B3F00
oklch(36.9% 0.076 96.9)
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 #323777, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.046
- Dark Slate Blue #483D8B ΔE 0.052
- Marine Blue #01386A ΔE 0.053
- Cobalt #1E488F ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.064
- Blueberry #464196 ΔE 0.066
- Marine #042E60 ΔE 0.073
- Light Navy #155084 ΔE 0.073
Use #323777 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.