#29376C
Closest named color: Marine Blue (#01386A). oklch(35.4% 0.093 270), rgb(41, 55, 108).
Aa
White text reads best on this color (11.30:1).
About this color
#29376C is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.093 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.034 away. White text reads best on it, at 11.30:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.85:1 |
| White text | 11.30:1 |
Values
| HEX | #29376C |
| RGB | rgb(41, 55, 108) |
| HSL | hsl(227, 45%, 29%) |
| OKLCH | oklch(35.4% 0.093 270) |
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 #29376C | 11.30:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #29376C | 1.85:1 | Fails | Lc 8.0 | Not readable |
| #29376C text on white | 11.30:1 | AAA | Lc 95.9 | Preferred for body text |
| #29376C text on black | 1.85:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CFD9F4
oklch(88.6% 0.039 269.4)
-
Step 300
300
#AFBFEF
oklch(80.9% 0.07 270.4)
-
Step 400
400
#859DE7
oklch(70.7% 0.112 269.7)
-
Step 500
500
#6883E0
oklch(63.2% 0.143 269.8)
-
Step 600
600
#516ACD
oklch(55.6% 0.155 270.1)
-
Step 700
700
#4258B2
oklch(49.2% 0.145 270)
-
Step 800
800
#364890
oklch(42.7% 0.12 270.1)
-
Step 900
900 (this color)
#29376C
oklch(35.4% 0.093 270)
-
Step 950
950
#1B2443
oklch(26.9% 0.059 269.9)
#29376C 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) | #1E3E6E | 0.022 |
| Deuteranopia (no green cones) | #14386B | 0.023 |
| Tritanopia (no blue cones) | #00434C | 0.082 |
| Achromatopsia (no color) | #3A3A3A | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #29376C
#29376C
oklch(35.4% 0.093 270)
- #4A3900
#4A3900
oklch(35.3% 0.072 89.9)
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 #29376C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.034
- Prussian Blue #1D3557 ΔE 0.041
- Twilight Blue #0A437A ΔE 0.043
- Marine #042E60 ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.061
- Midnight Green #073B4C ΔE 0.070
- Cobalt #1E488F ΔE 0.071
Use #29376C 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.