#041C31
Closest named color: Rich Black (#0D1B2A). oklch(22% 0.051 247.8), rgb(4, 28, 49).
Aa
White text reads best on this color (17.27:1).
About this color
#041C31 is a very dark, muted blue. In OKLCH its lightness is 22%, its chroma 0.051 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.016 away. White text reads best on it, at 17.27:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.27:1 |
Values
| HEX | #041C31 |
| RGB | rgb(4, 28, 49) |
| HSL | hsl(208, 85%, 10%) |
| OKLCH | oklch(22% 0.051 247.8) |
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 #041C31 | 17.27:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #041C31 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #041C31 text on white | 17.27:1 | AAA | Lc 104.0 | Preferred for body text |
| #041C31 text on black | 1.21:1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCEF
oklch(88.5% 0.034 246.8)
-
Step 300
300
#A2C5E6
oklch(80.9% 0.06 247)
-
Step 400
400
#6EA6DA
oklch(70.7% 0.097 247.6)
-
Step 500
500
#448FD0
oklch(63.2% 0.123 247.4)
-
Step 600
600
#1F77BD
oklch(55.5% 0.135 247.9)
-
Step 700
700
#0F64A3
oklch(49% 0.125 247.8)
-
Step 800
800
#125284
oklch(42.7% 0.103 247.6)
-
Step 900
900
#18446A
oklch(37.6% 0.081 248)
-
Step 950
950 (this color)
#041C31
oklch(22% 0.051 247.8)
#041C31 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) | #121D32 | 0.018 |
| Deuteranopia (no green cones) | #0B1931 | 0.012 |
| Tritanopia (no blue cones) | #002124 | 0.036 |
| Achromatopsia (no color) | #1B1B1B | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #041C31
#041C31
oklch(22% 0.051 247.8)
- #291600
#291600
oklch(22.1% 0.048 69.2)
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 #041C31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.016
- Dark #1B2431 ΔE 0.045
- Oxford Blue #1B263B ΔE 0.051
- Navy Blue #001146 ΔE 0.055
- Rich Navy #001219 ΔE 0.058
- Jet #212529 ΔE 0.059
- Dark Navy #000435 ΔE 0.078
- Night Blue #040348 ΔE 0.080
Use #041C31 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.