#0F231D
Closest named color: Jet (#212529). oklch(23.7% 0.029 172.3), rgb(15, 35, 29).
Aa
White text reads best on this color (16.42:1).
About this color
#0F231D is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.038 away. White text reads best on it, at 16.42:1.
| Hue family | Neutrals |
| Lightness | very dark (24%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.27:1 |
| White text | 16.42:1 |
Values
| HEX | #0F231D |
| RGB | rgb(15, 35, 29) |
| HSL | hsl(162, 40%, 10%) |
| OKLCH | oklch(23.7% 0.029 172.3) |
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 #0F231D | 16.42:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #0F231D | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #0F231D text on white | 16.42:1 | AAA | Lc 103.3 | Preferred for body text |
| #0F231D text on black | 1.27:1 | 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
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDDD8
oklch(88.4% 0.018 175.3)
-
Step 300
300
#ABC8BE
oklch(80.8% 0.034 172.6)
-
Step 400
400
#7EAC9D
oklch(70.7% 0.054 172.6)
-
Step 500
500
#5B9785
oklch(63% 0.069 172.9)
-
Step 600
600
#3E826E
oklch(55.6% 0.077 171.8)
-
Step 700
700
#306E5C
oklch(49.2% 0.071 171.7)
-
Step 800
800
#29594B
oklch(42.6% 0.058 172.1)
-
Step 900
900
#264A3F
oklch(37.8% 0.046 171.9)
-
Step 950
950 (this color)
#0F231D
oklch(23.7% 0.029 172.3)
#0F231D 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) | #22211D | 0.030 |
| Deuteranopia (no green cones) | #1F1E1D | 0.030 |
| Tritanopia (no blue cones) | #082321 | 0.010 |
| Achromatopsia (no color) | #1F1F1F | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F231D
#0F231D
oklch(23.7% 0.029 172.3)
- #291920
#291920
oklch(23.7% 0.028 351.6)
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 #0F231D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.038
- Dark #1B2431 ΔE 0.044
- Rich Black #0D1B2A ΔE 0.046
- Oxford Blue #1B263B ΔE 0.061
- Dark Forest Green #002D04 ΔE 0.063
- Very Dark Green #062E03 ΔE 0.065
- Dark Brown #341C02 ΔE 0.071
- Rich Navy #001219 ΔE 0.073
Use #0F231D 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.