#05271F
Closest named color: Jet (#212529). oklch(24.6% 0.042 173.9), rgb(5, 39, 31).
Aa
White text reads best on this color (15.95:1).
About this color
#05271F is a very dark, muted teal or cyan. In OKLCH its lightness is 25%, its chroma 0.042 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.043 away. White text reads best on it, at 15.95:1.
| Hue family | Teals and cyans |
| Lightness | very dark (25%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.31:1 |
| White text | 15.95:1 |
Values
| HEX | #05271F |
| RGB | rgb(5, 39, 31) |
| HSL | hsl(166, 77%, 9%) |
| OKLCH | oklch(24.6% 0.042 173.9) |
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 #05271F | 15.95:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #05271F | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #05271F text on white | 15.95:1 | AAA | Lc 102.7 | Preferred for body text |
| #05271F 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
#C8DFD8
oklch(88.5% 0.026 175.5)
-
Step 300
300
#A0CCBE
oklch(81% 0.05 173.6)
-
Step 400
400
#69B19D
oklch(70.7% 0.079 174.2)
-
Step 500
500
#379D85
oklch(63.1% 0.101 174.3)
-
Step 600
600
#00876E
oklch(55.6% 0.106 173.6)
-
Step 700
700
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#0D4D3F
oklch(37.8% 0.066 174)
-
Step 950
950 (this color)
#05271F
oklch(24.6% 0.042 173.9)
#05271F 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 | 0.043 |
| Deuteranopia (no green cones) | #212020 | 0.043 |
| Tritanopia (no blue cones) | #002825 | 0.011 |
| Achromatopsia (no color) | #222222 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #05271F
#05271F
oklch(24.6% 0.042 173.9)
- #301822
#301822
oklch(24.6% 0.041 354.1)
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 #05271F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.043
- Dark #1B2431 ΔE 0.049
- Dark Forest Green #002D04 ΔE 0.053
- Very Dark Green #062E03 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.056
- Oxford Blue #1B263B ΔE 0.063
- Pakistan Green #283618 ΔE 0.076
- Dark Brown #341C02 ΔE 0.079
Use #05271F 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.