#29306D
Closest named color: Marine Blue (#01386A). oklch(34% 0.105 274.4), rgb(41, 48, 109).
Aa
White text reads best on this color (12.08:1).
About this color
#29306D is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.105 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.040 away. White text reads best on it, at 12.08:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.73:1 |
| White text | 12.08:1 |
Values
| HEX | #29306D |
| RGB | rgb(41, 48, 109) |
| HSL | hsl(234, 45%, 29%) |
| OKLCH | oklch(34% 0.105 274.4) |
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 #29306D | 12.08:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #29306D | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #29306D text on white | 12.08:1 | AAA | Lc 97.4 | Preferred for body text |
| #29306D 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
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D0D8F7
oklch(88.6% 0.044 274)
-
Step 300
300
#B1BDF4
oklch(80.8% 0.079 274.9)
-
Step 400
400
#899AEF
oklch(70.8% 0.126 274.2)
-
Step 500
500
#6E7EE9
oklch(63.1% 0.16 274.5)
-
Step 600
600
#5764D7
oklch(55.5% 0.175 274.4)
-
Step 700
700
#4852BB
oklch(49% 0.164 274.6)
-
Step 800
800
#3B4497
oklch(42.7% 0.135 274.5)
-
Step 900
900 (this color)
#29306D
oklch(34% 0.105 274.4)
-
Step 950
950
#1D2346
oklch(27.1% 0.065 273.9)
#29306D 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) | #0A396F | 0.036 |
| Deuteranopia (no green cones) | #00336C | 0.037 |
| Tritanopia (no blue cones) | #003E49 | 0.092 |
| Achromatopsia (no color) | #363636 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #29306D
#29306D
oklch(34% 0.105 274.4)
- #443700
#443700
oklch(34.1% 0.07 94.2)
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 #29306D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.040
- Marine #042E60 ΔE 0.047
- Prussian Blue #1D3557 ΔE 0.047
- Twilight Blue #0A437A ΔE 0.058
- Midnight Blue #191970 ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.073
- Space Cadet #2B2D42 ΔE 0.076
- Dark Grey Blue #29465B ΔE 0.080
Use #29306D 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.