#04271E
Closest named color: Jet (#212529). oklch(24.5% 0.043 172), rgb(4, 39, 30).
Aa
White text reads best on this color (15.98:1).
About this color
#04271E is a very dark, muted teal or cyan. In OKLCH its lightness is 24%, its chroma 0.043 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.045 away. White text reads best on it, at 15.98:1.
| Hue family | Teals and cyans |
| Lightness | very dark (24%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.31:1 |
| White text | 15.98:1 |
Values
| HEX | #04271E |
| RGB | rgb(4, 39, 30) |
| HSL | hsl(165, 81%, 8%) |
| OKLCH | oklch(24.5% 0.043 172) |
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 #04271E | 15.98:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #04271E | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #04271E text on white | 15.98:1 | AAA | Lc 102.7 | Preferred for body text |
| #04271E text on black | 1.31:1 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C7E0D7
oklch(88.6% 0.029 172)
-
Step 300
300
#A0CCBD
oklch(81% 0.051 172.1)
-
Step 400
400
#67B29B
oklch(70.8% 0.083 172.1)
-
Step 500
500
#349E82
oklch(63.1% 0.105 171.8)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#0B4D3D
oklch(37.7% 0.068 171.7)
-
Step 950
950 (this color)
#04271E
oklch(24.5% 0.043 172)
#04271E 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) | #25241E | 0.044 |
| Deuteranopia (no green cones) | #21201F | 0.044 |
| Tritanopia (no blue cones) | #002724 | 0.011 |
| Achromatopsia (no color) | #222222 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04271E
#04271E
oklch(24.5% 0.043 172)
- #301723
#301723
oklch(24.5% 0.044 350.7)
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 #04271E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.045
- Dark Forest Green #002D04 ΔE 0.051
- Dark #1B2431 ΔE 0.051
- Very Dark Green #062E03 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.058
- Oxford Blue #1B263B ΔE 0.066
- Pakistan Green #283618 ΔE 0.076
- Dark Brown #341C02 ΔE 0.079
Use #04271E 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.