#182A2C
Closest named color: Jet (#212529). oklch(27% 0.024 204.7), rgb(24, 42, 44).
Aa
White text reads best on this color (14.93:1).
About this color
#182A2C 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 14.93:1.
| 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 | 14.93:1 |
Values
| HEX | #182A2C |
| RGB | rgb(24, 42, 44) |
| HSL | hsl(186, 29%, 13%) |
| OKLCH | oklch(27% 0.024 204.7) |
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 #182A2C | 14.93:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #182A2C | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #182A2C text on white | 14.93:1 | AAA | Lc 101.8 | Preferred for body text |
| #182A2C 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CEDCDE
oklch(88.4% 0.015 207.1)
-
Step 300
300
#ACC6C9
oklch(80.8% 0.028 205.1)
-
Step 400
400
#80A9AE
oklch(70.7% 0.045 205.5)
-
Step 500
500
#5E949A
oklch(63.1% 0.058 204.7)
-
Step 600
600
#427E85
oklch(55.6% 0.063 205.4)
-
Step 700
700
#346A70
oklch(49% 0.058 205)
-
Step 800
800
#2C575B
oklch(42.8% 0.048 203.4)
-
Step 900
900
#28484B
oklch(37.8% 0.038 203.4)
-
Step 950
950 (this color)
#182A2C
oklch(27% 0.024 204.7)
#182A2C 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) | #27292C | 0.023 |
| Deuteranopia (no green cones) | #24262C | 0.022 |
| Tritanopia (no blue cones) | #102B2B | 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°).
- #182A2C
#182A2C
oklch(27% 0.024 204.7)
- #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 #182A2C, 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 0.026
- Oxford Blue #1B263B ΔE 0.036
- Gunmetal #293241 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.052
- Rich Black #0D1B2A ΔE 0.059
- Pakistan Green #283618 ΔE 0.067
- Midnight Green #073B4C ΔE 0.070
Use #182A2C 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.