#302D79
Closest named color: Marine Blue (#01386A). oklch(34.9% 0.126 279.4), rgb(48, 45, 121).
Aa
White text reads best on this color (11.81:1).
About this color
#302D79 is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.126 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.059 away. White text reads best on it, at 11.81:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.77:1 |
| White text | 11.81:1 |
Values
| HEX | #302D79 |
| RGB | rgb(48, 45, 121) |
| HSL | hsl(242, 46%, 33%) |
| OKLCH | oklch(34.9% 0.126 279.4) |
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 #302D79 | 11.81:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #302D79 | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #302D79 text on white | 11.81:1 | AAA | Lc 96.7 | Preferred for body text |
| #302D79 text on black | 1.77:1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E6E8FC
oklch(93.5% 0.027 281.3)
-
Step 200
200
#D1D6FC
oklch(88.4% 0.053 279.4)
-
Step 300
300
#B4BBFD
oklch(81% 0.093 279.4)
-
Step 400
400
#8E94FC
oklch(70.7% 0.151 279.3)
-
Step 500
500
#7575FA
oklch(63.1% 0.193 279.3)
-
Step 600
600
#6159E9
oklch(55.6% 0.21 279.6)
-
Step 700
700
#5148CA
oklch(49.1% 0.194 279.6)
-
Step 800
800
#423CA4
oklch(42.7% 0.162 279.6)
-
Step 900
900 (this color)
#302D79
oklch(34.9% 0.126 279.4)
-
Step 950
950
#20204C
oklch(27.1% 0.079 279.7)
#302D79 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) | #003A7B | 0.051 |
| Deuteranopia (no green cones) | #003577 | 0.048 |
| Tritanopia (no blue cones) | #033F4E | 0.108 |
| Achromatopsia (no color) | #373737 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #302D79
#302D79
oklch(34.9% 0.126 279.4)
- #443A00
#443A00
oklch(34.8% 0.072 98.3)
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 #302D79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.059
- Twilight Blue #0A437A ΔE 0.065
- Midnight Blue #191970 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.067
- Marine #042E60 ΔE 0.067
- Prussian Blue #1D3557 ΔE 0.071
- Cobalt #1E488F ΔE 0.077
- Indigo #4B0082 ΔE 0.080
Use #302D79 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.