#34306D
Closest named color: Marine Blue (#01386A). oklch(34.9% 0.103 282.6), rgb(52, 48, 109).
Aa
White text reads best on this color (11.73:1).
About this color
#34306D is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.103 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.054 away. White text reads best on it, at 11.73:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.78:1 |
| White text | 11.73:1 |
Values
| HEX | #34306D |
| RGB | rgb(52, 48, 109) |
| HSL | hsl(244, 39%, 31%) |
| OKLCH | oklch(34.9% 0.103 282.6) |
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 #34306D | 11.73:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #34306D | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #34306D text on white | 11.73:1 | AAA | Lc 96.7 | Preferred for body text |
| #34306D text on black | 1.78:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D4D6F5
oklch(88.4% 0.043 282.6)
-
Step 300
300
#B9BBF2
oklch(81% 0.077 282.9)
-
Step 400
400
#9696EB
oklch(70.8% 0.123 282.8)
-
Step 500
500
#7E79E5
oklch(63.1% 0.158 283)
-
Step 600
600
#6860D2
oklch(55.6% 0.17 282.5)
-
Step 700
700
#574EB6
oklch(49% 0.159 282.7)
-
Step 800
800
#474194
oklch(42.8% 0.132 282.5)
-
Step 900
900 (this color)
#34306D
oklch(34.9% 0.103 282.6)
-
Step 950
950
#222145
oklch(26.9% 0.066 282.3)
#34306D 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) | #103A6F | 0.047 |
| Deuteranopia (no green cones) | #0B366C | 0.048 |
| Tritanopia (no blue cones) | #1F3D49 | 0.087 |
| Achromatopsia (no color) | #383838 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #34306D
#34306D
oklch(34.9% 0.103 282.6)
- #423B00
#423B00
oklch(34.9% 0.073 102)
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 #34306D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.054
- Prussian Blue #1D3557 ΔE 0.055
- Marine #042E60 ΔE 0.062
- Twilight Blue #0A437A ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.070
- Midnight Blue #191970 ΔE 0.076
- Dark Blue Grey #1F3B4D ΔE 0.077
- Space Cadet #2B2D42 ΔE 0.078
Use #34306D 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.