#182A2B
Closest named color: Jet (#212529). oklch(27% 0.024 200.3), rgb(24, 42, 43).
Aa
White text reads best on this color (14.94:1).
About this color
#182A2B is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.020 away. White text reads best on it, at 14.94:1.
| Hue family | Neutrals |
| Lightness | dark (27%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.40:1 |
| White text | 14.94:1 |
Values
| HEX | #182A2B |
| RGB | rgb(24, 42, 43) |
| HSL | hsl(183, 28%, 13%) |
| OKLCH | oklch(27% 0.024 200.3) |
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 #182A2B | 14.94:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #182A2B | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #182A2B text on white | 14.94:1 | AAA | Lc 101.8 | Preferred for body text |
| #182A2B 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CEDCDD
oklch(88.4% 0.015 202)
-
Step 300
300
#ACC6C8
oklch(80.8% 0.028 202.3)
-
Step 400
400
#80AAAC
oklch(70.8% 0.045 199.8)
-
Step 500
500
#5E9497
oklch(63% 0.057 200.3)
-
Step 600
600
#437F82
oklch(55.7% 0.063 199.8)
-
Step 700
700
#346B6E
oklch(49.2% 0.058 200.1)
-
Step 800
800
#2C5759
oklch(42.7% 0.048 199.5)
-
Step 900
900
#284849
oklch(37.7% 0.038 198.2)
-
Step 950
950 (this color)
#182A2B
oklch(27% 0.024 200.3)
#182A2B 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) | #28282B | 0.025 |
| Deuteranopia (no green cones) | #24262B | 0.022 |
| Tritanopia (no blue cones) | #102B2A | 0.010 |
| Achromatopsia (no color) | #272727 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #182A2B
#182A2B
oklch(27% 0.024 200.3)
- #312221
#312221
oklch(27% 0.023 23.1)
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 #182A2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.020
- Dark #1B2431 ΔE 0.028
- Oxford Blue #1B263B ΔE 0.038
- Gunmetal #293241 ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.054
- Rich Black #0D1B2A ΔE 0.059
- Pakistan Green #283618 ΔE 0.065
- Midnight Green #073B4C ΔE 0.071
Use #182A2B 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.