#04215D
Closest named color: Marine (#042E60). oklch(27.3% 0.113 262), rgb(4, 33, 93).
Aa
White text reads best on this color (15.20:1).
About this color
#04215D is a dark, moderately saturated blue. In OKLCH its lightness is 27%, its chroma 0.113 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.038 away. White text reads best on it, at 15.20:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.38:1 |
| White text | 15.20:1 |
Values
| HEX | #04215D |
| RGB | rgb(4, 33, 93) |
| HSL | hsl(220, 92%, 19%) |
| OKLCH | oklch(27.3% 0.113 262) |
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 #04215D | 15.20:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #04215D | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #04215D text on white | 15.20:1 | AAA | Lc 101.6 | Preferred for body text |
| #04215D text on black | 1.38:1 | 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 950.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEAFF
oklch(93.5% 0.031 263.5)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9FC1FF
oklch(80.9% 0.096 262.2)
-
Step 400
400
#6B9EFF
oklch(70.7% 0.153 262.2)
-
Step 500
500
#4282FF
oklch(63.2% 0.198 262)
-
Step 600
600
#0E61FF
oklch(55.5% 0.245 262.1)
-
Step 700
700
#004FDE
oklch(49.1% 0.227 262)
-
Step 800
800
#0040B8
oklch(42.7% 0.197 262)
-
Step 900
900
#00359C
oklch(37.8% 0.175 262)
-
Step 950
950 (this color)
#04215D
oklch(27.3% 0.113 262)
#04215D 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) | #002A5F | 0.025 |
| Deuteranopia (no green cones) | #00225C | 0.004 |
| Tritanopia (no blue cones) | #00313B | 0.087 |
| Achromatopsia (no color) | #262626 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04215D
#04215D
oklch(27.3% 0.113 262)
- #352400
#352400
oklch(27.4% 0.056 81.9)
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 #04215D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.038
- Midnight Blue #191970 ΔE 0.042
- Darkblue #030764 ΔE 0.052
- Dark Royal Blue #02066F ΔE 0.056
- Dark Indigo #1F0954 ΔE 0.060
- Deep Blue #040273 ΔE 0.062
- Navy Blue #001146 ΔE 0.063
- Marine Blue #01386A ΔE 0.070
Use #04215D 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.