#041237
Closest named color: Navy Blue (#001146). oklch(19.8% 0.075 263.6), rgb(4, 18, 55).
Aa
White text reads best on this color (18.31:1).
About this color
#041237 is a very dark, moderately saturated blue. In OKLCH its lightness is 20%, its chroma 0.075 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.029 away. White text reads best on it, at 18.31:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.14:1 |
| White text | 18.31:1 |
Values
| HEX | #041237 |
| RGB | rgb(4, 18, 55) |
| HSL | hsl(224, 86%, 12%) |
| OKLCH | oklch(19.8% 0.075 263.6) |
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 #041237 | 18.31:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #041237 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #041237 text on white | 18.31:1 | AAA | Lc 104.7 | Preferred for body text |
| #041237 text on black | 1.14:1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFB
oklch(88.5% 0.05 262.6)
-
Step 300
300
#A3C1FB
oklch(81% 0.089 263.3)
-
Step 400
400
#729EF9
oklch(70.7% 0.142 263.6)
-
Step 500
500
#4E82F6
oklch(63% 0.182 263.8)
-
Step 600
600
#3368E5
oklch(55.5% 0.198 263.8)
-
Step 700
700
#2656C7
oklch(49.1% 0.184 263.6)
-
Step 800
800
#2047A1
oklch(42.7% 0.153 263.6)
-
Step 900
900
#1F3D80
oklch(37.8% 0.119 263.6)
-
Step 950
950 (this color)
#041237
oklch(19.8% 0.075 263.6)
#041237 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) | #001738 | 0.016 |
| Deuteranopia (no green cones) | #001236 | 0.007 |
| Tritanopia (no blue cones) | #001B22 | 0.057 |
| Achromatopsia (no color) | #151515 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #041237
#041237
oklch(19.8% 0.075 263.6)
- #1E1400
#1E1400
oklch(19.9% 0.041 85.5)
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 #041237, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.029
- Dark Navy #000435 ΔE 0.043
- Night Blue #040348 ΔE 0.045
- Rich Black #0D1B2A ΔE 0.046
- Very Dark Blue #000133 ΔE 0.055
- Dark Navy Blue #00022E ΔE 0.057
- Midnight #03012D ΔE 0.058
- Rich Navy #001219 ΔE 0.063
Use #041237 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.