#182828
Closest named color: Jet (#212529). oklch(26.3% 0.021 195.9), rgb(24, 40, 40).
Aa
White text reads best on this color (15.29:1).
About this color
#182828 is a dark close to neutral grey. In OKLCH its lightness is 26%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.017 away. White text reads best on it, at 15.29:1.
| Hue family | Neutrals |
| Lightness | dark (26%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.37:1 |
| White text | 15.29:1 |
Values
| HEX | #182828 |
| RGB | rgb(24, 40, 40) |
| HSL | hsl(180, 25%, 13%) |
| OKLCH | oklch(26.3% 0.021 195.9) |
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 #182828 | 15.29:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #182828 | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #182828 text on white | 15.29:1 | AAA | Lc 102.2 | Preferred for body text |
| #182828 text on black | 1.37:1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#CFDCDC
oklch(88.5% 0.014 196.9)
-
Step 300
300
#AFC6C6
oklch(80.9% 0.025 196.7)
-
Step 400
400
#84A9A9
oklch(70.8% 0.04 196.3)
-
Step 500
500
#639494
oklch(63.2% 0.053 195.9)
-
Step 600
600
#497E7E
oklch(55.6% 0.057 195.6)
-
Step 700
700
#3A6A6A
oklch(49% 0.052 195.6)
-
Step 800
800
#305757
oklch(42.8% 0.044 195.6)
-
Step 900
900
#2B4747
oklch(37.6% 0.034 195.8)
-
Step 950
950 (this color)
#182828
oklch(26.3% 0.021 195.9)
#182828 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) | #262728 | 0.022 |
| Deuteranopia (no green cones) | #232428 | 0.021 |
| Tritanopia (no blue cones) | #122928 | 0.008 |
| Achromatopsia (no color) | #252525 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #182828
#182828
oklch(26.3% 0.021 195.9)
- #2E2121
#2E2121
oklch(26.3% 0.02 18.5)
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 #182828, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.017
- Dark #1B2431 ΔE 0.026
- Oxford Blue #1B263B ΔE 0.040
- Rich Black #0D1B2A ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.059
- Gunmetal #293241 ΔE 0.060
- Pakistan Green #283618 ΔE 0.069
- Dark Brown #341C02 ΔE 0.071
Use #182828 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.