#00271F
Closest named color: Jet (#212529). oklch(24.4% 0.046 175.5), rgb(0, 39, 31).
Aa
White text reads best on this color (16.03:1).
About this color
#00271F is a very dark, muted teal or cyan. In OKLCH its lightness is 24%, its chroma 0.046 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.048 away. White text reads best on it, at 16.03:1.
| Hue family | Teals and cyans |
| Lightness | very dark (24%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.30:1 |
| White text | 16.03:1 |
Values
| HEX | #00271F |
| RGB | rgb(0, 39, 31) |
| HSL | hsl(168, 100%, 8%) |
| OKLCH | oklch(24.4% 0.046 175.5) |
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 #00271F | 16.03:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #00271F | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #00271F text on white | 16.03:1 | AAA | Lc 102.7 | Preferred for body text |
| #00271F text on black | 1.30:1 | 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
#E0EDE9
oklch(93.5% 0.015 175.7)
-
Step 200
200
#C6E0D8
oklch(88.5% 0.03 175.2)
-
Step 300
300
#9CCDBF
oklch(81% 0.055 175.4)
-
Step 400
400
#60B29E
oklch(70.6% 0.086 176)
-
Step 500
500
#219F86
oklch(63.1% 0.111 175.3)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004E40
oklch(37.9% 0.071 175.3)
-
Step 950
950 (this color)
#00271F
oklch(24.4% 0.046 175.5)
#00271F 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) | #25241F | 0.047 |
| Deuteranopia (no green cones) | #202020 | 0.046 |
| Tritanopia (no blue cones) | #002825 | 0.011 |
| Achromatopsia (no color) | #212121 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00271F
#00271F
oklch(24.4% 0.046 175.5)
- #311621
#311621
oklch(24.3% 0.046 355.3)
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 #00271F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.048
- Dark Forest Green #002D04 ΔE 0.052
- Dark #1B2431 ΔE 0.052
- Very Dark Green #062E03 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.057
- Oxford Blue #1B263B ΔE 0.066
- Pakistan Green #283618 ΔE 0.079
- Rich Navy #001219 ΔE 0.082
Use #00271F 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.