#002721
Closest named color: Jet (#212529). oklch(24.4% 0.044 179.9), rgb(0, 39, 33).
Aa
White text reads best on this color (16.00:1).
About this color
#002721 is a very dark, muted teal or cyan. In OKLCH its lightness is 24%, its chroma 0.044 and its hue 180°. 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 16.00:1.
| Hue family | Teals and cyans |
| Lightness | very dark (24%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.31:1 |
| White text | 16.00:1 |
Values
| HEX | #002721 |
| RGB | rgb(0, 39, 33) |
| HSL | hsl(171, 100%, 8%) |
| OKLCH | oklch(24.4% 0.044 179.9) |
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 #002721 | 16.00:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #002721 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #002721 text on white | 16.00:1 | AAA | Lc 102.7 | Preferred for body text |
| #002721 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
#E0EDEA
oklch(93.6% 0.014 180.7)
-
Step 200
200
#C5E0DA
oklch(88.5% 0.03 180.7)
-
Step 300
300
#9CCCC2
oklch(80.8% 0.052 180.7)
-
Step 400
400
#60B2A2
oklch(70.7% 0.084 179.6)
-
Step 500
500
#219E8C
oklch(63% 0.107 180.3)
-
Step 600
600
#008675
oklch(55.5% 0.101 179.7)
-
Step 700
700
#007162
oklch(49.1% 0.09 179.3)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950 (this color)
#002721
oklch(24.4% 0.044 179.9)
#002721 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) | #252421 | 0.047 |
| Deuteranopia (no green cones) | #1F2022 | 0.044 |
| Tritanopia (no blue cones) | #002825 | 0.008 |
| Achromatopsia (no color) | #222222 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #002721
#002721
oklch(24.4% 0.044 179.9)
- #31171F
#31171F
oklch(24.5% 0.043 1.1)
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 #002721, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.045
- Dark #1B2431 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.054
- Dark Forest Green #002D04 ΔE 0.055
- Very Dark Green #062E03 ΔE 0.058
- Oxford Blue #1B263B ΔE 0.062
- Pakistan Green #283618 ΔE 0.079
- Rich Navy #001219 ΔE 0.081
Use #002721 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.