#042C01
Closest named color: Dark Forest Green (#002D04). oklch(25.6% 0.083 141.5), rgb(4, 44, 1).
Aa
White text reads best on this color (15.37:1).
About this color
#042C01 is a dark, moderately saturated green. In OKLCH its lightness is 26%, its chroma 0.083 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.005 away. White text reads best on it, at 15.37:1.
| Hue family | Greens |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.36:1 |
| White text | 15.37:1 |
Values
| HEX | #042C01 |
| RGB | rgb(4, 44, 1) |
| HSL | hsl(116, 96%, 9%) |
| OKLCH | oklch(25.6% 0.083 141.5) |
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 #042C01 | 15.37:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #042C01 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #042C01 text on white | 15.37:1 | AAA | Lc 102.0 | Preferred for body text |
| #042C01 text on black | 1.36:1 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDD
oklch(93.6% 0.029 140.5)
-
Step 200
200
#C6E3C1
oklch(88.6% 0.055 141)
-
Step 300
300
#9DD196
oklch(80.9% 0.098 141.6)
-
Step 400
400
#62B857
oklch(70.6% 0.158 141.5)
-
Step 500
500
#29A516
oklch(63.1% 0.201 141.5)
-
Step 600
600
#178C00
oklch(55.7% 0.185 141.5)
-
Step 700
700
#127600
oklch(49.2% 0.164 141.5)
-
Step 800
800
#0D6000
oklch(42.6% 0.142 141.5)
-
Step 900
900
#095100
oklch(37.9% 0.126 141.5)
-
Step 950
950 (this color)
#042C01
oklch(25.6% 0.083 141.5)
#042C01 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) | #2D2700 | 0.057 |
| Deuteranopia (no green cones) | #292404 | 0.056 |
| Tritanopia (no blue cones) | #002A24 | 0.055 |
| Achromatopsia (no color) | #252525 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #042C01
#042C01
oklch(25.6% 0.083 141.5)
- #34123A
#34123A
oklch(25.5% 0.082 321.4)
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 #042C01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.005
- Very Dark Green #062E03 ΔE 0.008
- Pakistan Green #283618 ΔE 0.065
- Hunter Green #0B4008 ΔE 0.072
- Jet #212529 ΔE 0.086
- Forrest Green #154406 ΔE 0.088
- Dark Brown #341C02 ΔE 0.088
- Racing Green #014600 ΔE 0.092
Use #042C01 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.