#1F271D
Closest named color: Jet (#212529). oklch(26.1% 0.022 139.4), rgb(31, 39, 29).
Aa
White text reads best on this color (15.37:1).
About this color
#1F271D is a dark close to neutral grey. In OKLCH its lightness is 26%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.026 away. White text reads best on it, at 15.37:1.
| Hue family | Neutrals |
| Lightness | dark (26%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.36:1 |
| White text | 15.37:1 |
Values
| HEX | #1F271D |
| RGB | rgb(31, 39, 29) |
| HSL | hsl(108, 15%, 13%) |
| OKLCH | oklch(26.1% 0.022 139.4) |
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 #1F271D | 15.37:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #1F271D | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #1F271D text on white | 15.37:1 | AAA | Lc 102.3 | Preferred for body text |
| #1F271D 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE6
oklch(93.6% 0.008 139.4)
-
Step 200
200
#D4DBD3
oklch(88.4% 0.013 141.8)
-
Step 300
300
#B8C5B5
oklch(80.9% 0.026 139.8)
-
Step 400
400
#94A78F
oklch(70.7% 0.04 139.2)
-
Step 500
500
#799273
oklch(63.2% 0.054 139.6)
-
Step 600
600
#627C5C
oklch(55.7% 0.057 139.8)
-
Step 700
700
#51684B
oklch(49% 0.053 139.2)
-
Step 800
800
#43553E
oklch(42.7% 0.043 138.9)
-
Step 900
900
#384635
oklch(37.6% 0.034 140.1)
-
Step 950
950 (this color)
#1F271D
oklch(26.1% 0.022 139.4)
#1F271D 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) | #28251C | 0.016 |
| Deuteranopia (no green cones) | #26241D | 0.016 |
| Tritanopia (no blue cones) | #1F2624 | 0.015 |
| Achromatopsia (no color) | #252525 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F271D
#1F271D
oklch(26.1% 0.022 139.4)
- #29212B
#29212B
oklch(26.1% 0.022 319.5)
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 #1F271D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.026
- Dark #1B2431 ΔE 0.043
- Dark Brown #341C02 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.058
- Pakistan Green #283618 ΔE 0.060
- Very Dark Green #062E03 ΔE 0.061
- Dark Forest Green #002D04 ΔE 0.062
- Rich Black #0D1B2A ΔE 0.065
Use #1F271D 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.