#041817
Closest named color: Rich Navy (#001219). oklch(19.2% 0.027 190.9), rgb(4, 24, 23).
Aa
White text reads best on this color (18.28:1).
About this color
#041817 is a very dark close to neutral grey. In OKLCH its lightness is 19%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.028 away. White text reads best on it, at 18.28:1.
| Hue family | Neutrals |
| Lightness | very dark (19%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.14:1 |
| White text | 18.28:1 |
Values
| HEX | #041817 |
| RGB | rgb(4, 24, 23) |
| HSL | hsl(177, 71%, 5%) |
| OKLCH | oklch(19.2% 0.027 190.9) |
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 #041817 | 18.28:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #041817 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #041817 text on white | 18.28:1 | AAA | Lc 104.9 | Preferred for body text |
| #041817 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDC
oklch(88.5% 0.017 192.3)
-
Step 300
300
#AAC8C5
oklch(81% 0.033 189.1)
-
Step 400
400
#7BABA8
oklch(70.6% 0.051 191.2)
-
Step 500
500
#579693
oklch(63% 0.065 191.7)
-
Step 600
600
#3A817D
oklch(55.7% 0.071 190.3)
-
Step 700
700
#2B6D6A
oklch(49.2% 0.067 191.1)
-
Step 800
800
#265956
oklch(42.8% 0.055 190.1)
-
Step 900
900
#244947
oklch(37.7% 0.043 190.9)
-
Step 950
950 (this color)
#041817
oklch(19.2% 0.027 190.9)
#041817 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) | #161617 | 0.029 |
| Deuteranopia (no green cones) | #131417 | 0.027 |
| Tritanopia (no blue cones) | #001918 | 0.006 |
| Achromatopsia (no color) | #151515 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #041817
#041817
oklch(19.2% 0.027 190.9)
- #1F0F11
#1F0F11
oklch(19.2% 0.027 11.8)
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 #041817, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.028
- Rich Black #0D1B2A ΔE 0.041
- Almost Black #070D0D ΔE 0.043
- Dark #1B2431 ΔE 0.073
- Jet #212529 ΔE 0.074
- Oxford Blue #1B263B ΔE 0.088
- Very Dark Brown #1D0200 ΔE 0.089
- Dark Forest Green #002D04 ΔE 0.095
Use #041817 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.