#041C2F
Closest named color: Rich Black (#0D1B2A). oklch(21.9% 0.048 245.4), rgb(4, 28, 47).
Aa
White text reads best on this color (17.32:1).
About this color
#041C2F is a very dark, muted blue. In OKLCH its lightness is 22%, its chroma 0.048 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.013 away. White text reads best on it, at 17.32:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.32:1 |
Values
| HEX | #041C2F |
| RGB | rgb(4, 28, 47) |
| HSL | hsl(207, 84%, 10%) |
| OKLCH | oklch(21.9% 0.048 245.4) |
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 #041C2F | 17.32:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #041C2F | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #041C2F text on white | 17.32:1 | AAA | Lc 104.0 | Preferred for body text |
| #041C2F 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A3C5E4
oklch(80.9% 0.057 246.1)
-
Step 400
400
#6FA7D6
oklch(70.8% 0.091 244.9)
-
Step 500
500
#4690CB
oklch(63.2% 0.116 245.2)
-
Step 600
600
#2179B8
oklch(55.7% 0.126 245.2)
-
Step 700
700
#11659E
oklch(49% 0.117 245.4)
-
Step 800
800
#135380
oklch(42.7% 0.097 244.9)
-
Step 900
900
#194567
oklch(37.7% 0.076 245.2)
-
Step 950
950 (this color)
#041C2F
oklch(21.9% 0.048 245.4)
#041C2F 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) | #131D30 | 0.020 |
| Deuteranopia (no green cones) | #0D192F | 0.014 |
| Tritanopia (no blue cones) | #002123 | 0.035 |
| Achromatopsia (no color) | #1A1A1A | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #041C2F
#041C2F
oklch(21.9% 0.048 245.4)
- #291500
#291500
oklch(21.9% 0.048 66.7)
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 #041C2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.013
- Dark #1B2431 ΔE 0.045
- Oxford Blue #1B263B ΔE 0.052
- Rich Navy #001219 ΔE 0.055
- Jet #212529 ΔE 0.058
- Navy Blue #001146 ΔE 0.059
- Almost Black #070D0D ΔE 0.079
- Dark Navy #000435 ΔE 0.079
Use #041C2F 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.