#29337A
Closest named color: Marine Blue (#01386A). oklch(35.7% 0.12 272.7), rgb(41, 51, 122).
Aa
White text reads best on this color (11.35:1).
About this color
#29337A is a dark, moderately saturated blue. In OKLCH its lightness is 36%, its chroma 0.120 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.047 away. White text reads best on it, at 11.35:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.84:1 |
| White text | 11.35:1 |
Values
| HEX | #29337A |
| RGB | rgb(41, 51, 122) |
| HSL | hsl(233, 50%, 32%) |
| OKLCH | oklch(35.7% 0.12 272.7) |
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 #29337A | 11.35:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #29337A | 1.84:1 | Fails | Lc 8.0 | Not readable |
| #29337A text on white | 11.35:1 | AAA | Lc 95.9 | Preferred for body text |
| #29337A text on black | 1.84:1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED8FB
oklch(88.6% 0.049 272.8)
-
Step 300
300
#ADBDFC
oklch(80.9% 0.091 273.2)
-
Step 400
400
#8399FA
oklch(70.8% 0.144 272.6)
-
Step 500
500
#667CF7
oklch(63.2% 0.184 272.5)
-
Step 600
600
#5061E6
oklch(55.6% 0.2 272.6)
-
Step 700
700
#424FC8
oklch(49.1% 0.186 272.8)
-
Step 800
800
#3642A2
oklch(42.8% 0.154 272.7)
-
Step 900
900 (this color)
#29337A
oklch(35.7% 0.12 272.7)
-
Step 950
950
#1B224B
oklch(27% 0.076 273)
#29337A 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) | #003E7C | 0.040 |
| Deuteranopia (no green cones) | #003779 | 0.034 |
| Tritanopia (no blue cones) | #004451 | 0.101 |
| Achromatopsia (no color) | #3A3A3A | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #29337A
#29337A
oklch(35.7% 0.12 272.7)
- #4A3B00
#4A3B00
oklch(35.8% 0.073 92.8)
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 #29337A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.047
- Twilight Blue #0A437A ΔE 0.048
- Marine #042E60 ΔE 0.063
- Cobalt #1E488F ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.064
- Prussian Blue #1D3557 ΔE 0.065
- Midnight Blue #191970 ΔE 0.072
- Blueberry #464196 ΔE 0.076
Use #29337A 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.