#302F53
Closest named color: Prussian Blue (#1D3557). oklch(32.4% 0.063 283.6), rgb(48, 47, 83).
Aa
White text reads best on this color (12.67:1).
About this color
#302F53 is a dark, muted purple. In OKLCH its lightness is 32%, its chroma 0.063 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.030 away. White text reads best on it, at 12.67:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.65:1 |
| White text | 12.67:1 |
Values
| HEX | #302F53 |
| RGB | rgb(48, 47, 83) |
| HSL | hsl(242, 28%, 25%) |
| OKLCH | oklch(32.4% 0.063 283.6) |
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 #302F53 | 12.67:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #302F53 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #302F53 text on white | 12.67:1 | AAA | Lc 98.6 | Preferred for body text |
| #302F53 text on black | 1.65:1 | 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 900.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D6D7EA
oklch(88.4% 0.026 283.4)
-
Step 300
300
#BCBDDF
oklch(80.9% 0.048 283.9)
-
Step 400
400
#9A9BCF
oklch(70.8% 0.076 283.4)
-
Step 500
500
#8281C2
oklch(63% 0.097 284)
-
Step 600
600
#6C6AAF
oklch(55.6% 0.106 283.7)
-
Step 700
700
#5A5896
oklch(49.1% 0.098 283.6)
-
Step 800
800
#49487A
oklch(42.6% 0.082 283.3)
-
Step 900
900 (this color)
#302F53
oklch(32.4% 0.063 283.6)
-
Step 950
950
#242439
oklch(27.1% 0.039 283.5)
#302F53 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) | #233454 | 0.023 |
| Deuteranopia (no green cones) | #223252 | 0.023 |
| Tritanopia (no blue cones) | #26363D | 0.054 |
| Achromatopsia (no color) | #333333 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #302F53
#302F53
oklch(32.4% 0.063 283.6)
- #3A3506
#3A3506
oklch(32.4% 0.063 103)
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 #302F53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.030
- Space Cadet #2B2D42 ΔE 0.032
- Gunmetal #293241 ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.047
- Marine #042E60 ΔE 0.055
- Onyx #343A40 ΔE 0.057
- Midnight Green #073B4C ΔE 0.059
- Marine Blue #01386A ΔE 0.060
Use #302F53 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.