#302A57
Closest named color: Prussian Blue (#1D3557). oklch(31.6% 0.078 287.1), rgb(48, 42, 87).
Aa
White text reads best on this color (13.17:1).
About this color
#302A57 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.078 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.041 away. White text reads best on it, at 13.17:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.59:1 |
| White text | 13.17:1 |
Values
| HEX | #302A57 |
| RGB | rgb(48, 42, 87) |
| HSL | hsl(248, 35%, 25%) |
| OKLCH | oklch(31.6% 0.078 287.1) |
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 #302A57 | 13.17:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #302A57 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #302A57 text on white | 13.17:1 | AAA | Lc 99.4 | Preferred for body text |
| #302A57 text on black | 1.59:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D6D5FA
oklch(88.6% 0.051 286.6)
-
Step 300
300
#BCB8FA
oklch(80.9% 0.093 286.9)
-
Step 400
400
#9C90F7
oklch(70.7% 0.148 287.3)
-
Step 500
500
#8670F4
oklch(63.1% 0.19 287.3)
-
Step 600
600
#7154E2
oklch(55.5% 0.205 287.1)
-
Step 700
700
#5F43C5
oklch(49.1% 0.192 286.9)
-
Step 800
800
#4E389F
oklch(42.7% 0.159 287.5)
-
Step 900
900
#40327E
oklch(37.7% 0.123 287.4)
-
Step 950
950 (this color)
#302A57
oklch(31.6% 0.078 287.1)
#302A57 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) | #183159 | 0.038 |
| Deuteranopia (no green cones) | #182F56 | 0.037 |
| Tritanopia (no blue cones) | #25333C | 0.065 |
| Achromatopsia (no color) | #303030 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #302A57
#302A57
oklch(31.6% 0.078 287.1)
- #363400
#363400
oklch(31.7% 0.068 107.4)
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 #302A57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.042
- Marine #042E60 ΔE 0.052
- Gunmetal #293241 ΔE 0.053
- Marine Blue #01386A ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.063
- Oxford Blue #1B263B ΔE 0.064
- Midnight Green #073B4C ΔE 0.073
Use #302A57 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.