#041D2F
Closest named color: Rich Black (#0D1B2A). oklch(22.2% 0.047 243.2), rgb(4, 29, 47).
Aa
White text reads best on this color (17.18:1).
About this color
#041D2F is a very dark, muted blue. In OKLCH its lightness is 22%, its chroma 0.047 and its hue 243°. 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 17.18:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.22:1 |
| White text | 17.18:1 |
Values
| HEX | #041D2F |
| RGB | rgb(4, 29, 47) |
| HSL | hsl(205, 84%, 10%) |
| OKLCH | oklch(22.2% 0.047 243.2) |
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 #041D2F | 17.18:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #041D2F | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #041D2F text on white | 17.18:1 | AAA | Lc 103.9 | Preferred for body text |
| #041D2F text on black | 1.22:1 | 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
#C8DCEC
oklch(88.4% 0.031 242)
-
Step 300
300
#A2C5E2
oklch(80.8% 0.056 243.5)
-
Step 400
400
#6EA7D4
oklch(70.7% 0.089 243.3)
-
Step 500
500
#4490C9
oklch(63% 0.114 243.8)
-
Step 600
600
#1D7AB5
oklch(55.7% 0.123 242.8)
-
Step 700
700
#0C669C
oklch(49.1% 0.115 243.2)
-
Step 800
800
#11547F
oklch(42.9% 0.095 243.1)
-
Step 900
900
#184566
oklch(37.6% 0.075 244.1)
-
Step 950
950 (this color)
#041D2F
oklch(22.2% 0.047 243.2)
#041D2F 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) | #151D30 | 0.022 |
| Deuteranopia (no green cones) | #0E192F | 0.017 |
| Tritanopia (no blue cones) | #002123 | 0.032 |
| Achromatopsia (no color) | #1B1B1B | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #041D2F
#041D2F
oklch(22.2% 0.047 243.2)
- #2A1502
#2A1502
oklch(22.1% 0.047 61.8)
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 #041D2F, 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 0.042
- Oxford Blue #1B263B ΔE 0.050
- Jet #212529 ΔE 0.055
- Rich Navy #001219 ΔE 0.057
- Navy Blue #001146 ΔE 0.061
- Almost Black #070D0D ΔE 0.081
- Dark Navy #000435 ΔE 0.083
Use #041D2F 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.