#1F2C2F
Closest named color: Jet (#212529). oklch(28.3% 0.018 213.4), rgb(31, 44, 47).
Aa
White text reads best on this color (14.38:1).
About this color
#1F2C2F is a dark close to neutral grey. In OKLCH its lightness is 28%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.024 away. White text reads best on it, at 14.38:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.45:1 |
| White text | 14.38:1 |
Values
| HEX | #1F2C2F |
| RGB | rgb(31, 44, 47) |
| HSL | hsl(191, 21%, 15%) |
| OKLCH | oklch(28.3% 0.018 213.4) |
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 #1F2C2F | 14.38:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #1F2C2F | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #1F2C2F text on white | 14.38:1 | AAA | Lc 101.1 | Preferred for body text |
| #1F2C2F text on black | 1.45:1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D1DBDE
oklch(88.5% 0.012 217.6)
-
Step 300
300
#B1C5C9
oklch(81% 0.023 211.1)
-
Step 400
400
#88A7AE
oklch(70.7% 0.036 212.9)
-
Step 500
500
#6A919A
oklch(63.1% 0.045 213.5)
-
Step 600
600
#517B85
oklch(55.6% 0.049 214.3)
-
Step 700
700
#426870
oklch(49.2% 0.045 212.4)
-
Step 800
800
#36555B
oklch(42.8% 0.038 211.1)
-
Step 900
900
#2F464B
oklch(37.7% 0.03 212.7)
-
Step 950
950 (this color)
#1F2C2F
oklch(28.3% 0.018 213.4)
#1F2C2F 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) | #2A2B2F | 0.018 |
| Deuteranopia (no green cones) | #27292F | 0.016 |
| Tritanopia (no blue cones) | #1A2D2D | 0.009 |
| Achromatopsia (no color) | #2A2A2A | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F2C2F
#1F2C2F
oklch(28.3% 0.018 213.4)
- #322624
#322624
oklch(28.2% 0.019 29.2)
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 #1F2C2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.024
- Dark #1B2431 ΔE 0.031
- Oxford Blue #1B263B ΔE 0.036
- Gunmetal #293241 ΔE 0.039
- Space Cadet #2B2D42 ΔE 0.041
- Pakistan Green #283618 ΔE 0.062
- Midnight Green #073B4C ΔE 0.062
- Onyx #343A40 ΔE 0.064
Use #1F2C2F 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.