#29306C
Closest named color: Marine Blue (#01386A). oklch(33.9% 0.103 274.5), rgb(41, 48, 108).
Aa
White text reads best on this color (12.11:1).
About this color
#29306C is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.103 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.039 away. White text reads best on it, at 12.11:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.73:1 |
| White text | 12.11:1 |
Values
| HEX | #29306C |
| RGB | rgb(41, 48, 108) |
| HSL | hsl(234, 45%, 29%) |
| OKLCH | oklch(33.9% 0.103 274.5) |
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 #29306C | 12.11:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #29306C | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #29306C text on white | 12.11:1 | AAA | Lc 97.4 | Preferred for body text |
| #29306C text on black | 1.73:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D0D8F6
oklch(88.6% 0.042 273.7)
-
Step 300
300
#B1BDF3
oklch(80.8% 0.078 274.8)
-
Step 400
400
#899AEE
oklch(70.8% 0.124 274.1)
-
Step 500
500
#6E7EE8
oklch(63.1% 0.159 274.5)
-
Step 600
600
#5865D6
oklch(55.7% 0.172 274.4)
-
Step 700
700
#4853BA
oklch(49.1% 0.161 274.3)
-
Step 800
800
#3B4496
oklch(42.6% 0.133 274.6)
-
Step 900
900 (this color)
#29306C
oklch(33.9% 0.103 274.5)
-
Step 950
950
#1D2346
oklch(27.1% 0.065 273.9)
#29306C 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) | #0C396E | 0.035 |
| Deuteranopia (no green cones) | #00336B | 0.037 |
| Tritanopia (no blue cones) | #003E49 | 0.090 |
| Achromatopsia (no color) | #363636 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #29306C
#29306C
oklch(33.9% 0.103 274.5)
- #433700
#433700
oklch(34% 0.07 95.4)
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 #29306C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.045
- Marine #042E60 ΔE 0.046
- Twilight Blue #0A437A ΔE 0.058
- Midnight Blue #191970 ΔE 0.065
- Dark Blue Grey #1F3B4D ΔE 0.071
- Space Cadet #2B2D42 ΔE 0.074
- Gunmetal #293241 ΔE 0.079
Use #29306C 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.