#182B24
Closest named color: Jet (#212529). oklch(27% 0.028 168.9), rgb(24, 43, 36).
Aa
White text reads best on this color (14.89:1).
About this color
#182B24 is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.029 away. White text reads best on it, at 14.89:1.
| Hue family | Neutrals |
| Lightness | dark (27%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.40:1 |
| White text | 14.89:1 |
Values
| HEX | #182B24 |
| RGB | rgb(24, 43, 36) |
| HSL | hsl(158, 28%, 13%) |
| OKLCH | oklch(27% 0.028 168.9) |
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 #182B24 | 14.89:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #182B24 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #182B24 text on white | 14.89:1 | AAA | Lc 101.7 | Preferred for body text |
| #182B24 text on black | 1.40:1 | 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
#CEDDD7
oklch(88.5% 0.018 170)
-
Step 300
300
#ADC8BD
oklch(80.9% 0.033 169)
-
Step 400
400
#80AC9B
oklch(70.8% 0.054 169)
-
Step 500
500
#5E9782
oklch(63.1% 0.068 168.8)
-
Step 600
600
#42816C
oklch(55.5% 0.074 169.7)
-
Step 700
700
#336D5A
oklch(49% 0.069 169.6)
-
Step 800
800
#2C5949
oklch(42.7% 0.057 168.3)
-
Step 900
900
#28493D
oklch(37.6% 0.044 168.6)
-
Step 950
950 (this color)
#182B24
oklch(27% 0.028 168.9)
#182B24 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) | #2A2924 | 0.029 |
| Deuteranopia (no green cones) | #272624 | 0.028 |
| Tritanopia (no blue cones) | #132B29 | 0.010 |
| Achromatopsia (no color) | #272727 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #182B24
#182B24
oklch(27% 0.028 168.9)
- #312129
#312129
oklch(27% 0.028 347.7)
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 #182B24, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.029
- Dark #1B2431 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.052
- Pakistan Green #283618 ΔE 0.055
- Very Dark Green #062E03 ΔE 0.059
- Dark Forest Green #002D04 ΔE 0.060
- Gunmetal #293241 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.065
Use #182B24 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.