#1F302A
Closest named color: Jet (#212529). oklch(29.2% 0.025 170.6), rgb(31, 48, 42).
Aa
White text reads best on this color (13.86:1).
About this color
#1F302A is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.039 away. White text reads best on it, at 13.86:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.51:1 |
| White text | 13.86:1 |
Values
| HEX | #1F302A |
| RGB | rgb(31, 48, 42) |
| HSL | hsl(159, 22%, 15%) |
| OKLCH | oklch(29.2% 0.025 170.6) |
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 #1F302A | 13.86:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #1F302A | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #1F302A text on white | 13.86:1 | AAA | Lc 100.5 | Preferred for body text |
| #1F302A text on black | 1.51:1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#CFDDD7
oklch(88.5% 0.017 168.4)
-
Step 300
300
#AFC7BE
oklch(80.9% 0.029 171)
-
Step 400
400
#83AB9C
oklch(70.8% 0.049 169.9)
-
Step 500
500
#639684
oklch(63.2% 0.061 170.1)
-
Step 600
600
#49806E
oklch(55.6% 0.065 170.8)
-
Step 700
700
#3A6C5C
oklch(49.1% 0.061 171)
-
Step 800
800
#30584B
oklch(42.7% 0.051 170.9)
-
Step 900
900
#2B493F
oklch(37.8% 0.04 170.9)
-
Step 950
950 (this color)
#1F302A
oklch(29.2% 0.025 170.6)
#1F302A 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) | #2F2E2A | 0.026 |
| Deuteranopia (no green cones) | #2C2C2A | 0.024 |
| Tritanopia (no blue cones) | #1B302E | 0.008 |
| Achromatopsia (no color) | #2D2D2D | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F302A
#1F302A
oklch(29.2% 0.025 170.6)
- #36272D
#36272D
oklch(29.3% 0.025 352.9)
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 #1F302A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.039
- Pakistan Green #283618 ΔE 0.043
- Gunmetal #293241 ΔE 0.045
- Dark #1B2431 ΔE 0.050
- Space Cadet #2B2D42 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.055
- Onyx #343A40 ΔE 0.059
- Midnight Green #073B4C ΔE 0.061
Use #1F302A 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.