#182E2B
Closest named color: Jet (#212529). oklch(28.2% 0.029 184.7), rgb(24, 46, 43).
Aa
White text reads best on this color (14.33:1).
About this color
#182E2B is a dark close to neutral grey. In OKLCH its lightness is 28%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.033 away. White text reads best on it, at 14.33:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.46:1 |
| White text | 14.33:1 |
Values
| HEX | #182E2B |
| RGB | rgb(24, 46, 43) |
| HSL | hsl(172, 31%, 14%) |
| OKLCH | oklch(28.2% 0.029 184.7) |
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 #182E2B | 14.33:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #182E2B | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #182E2B text on white | 14.33:1 | AAA | Lc 101.0 | Preferred for body text |
| #182E2B text on black | 1.46:1 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDDDA
oklch(88.4% 0.019 184.2)
-
Step 300
300
#A9C8C3
oklch(80.8% 0.034 184.7)
-
Step 400
400
#7AACA5
oklch(70.7% 0.054 185.2)
-
Step 500
500
#55978F
oklch(63% 0.069 185.6)
-
Step 600
600
#378279
oklch(55.7% 0.076 184.7)
-
Step 700
700
#286E66
oklch(49.2% 0.071 184.8)
-
Step 800
800
#235953
oklch(42.6% 0.058 185.4)
-
Step 900
900
#234945
oklch(37.6% 0.044 186.6)
-
Step 950
950 (this color)
#182E2B
oklch(28.2% 0.029 184.7)
#182E2B 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) | #2C2C2B | 0.030 |
| Deuteranopia (no green cones) | #28292B | 0.028 |
| Tritanopia (no blue cones) | #102F2D | 0.009 |
| Achromatopsia (no color) | #2A2A2A | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #182E2B
#182E2B
oklch(28.2% 0.029 184.7)
- #362327
#362327
oklch(28.1% 0.03 5.3)
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 #182E2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.033
- Dark #1B2431 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.048
- Gunmetal #293241 ΔE 0.049
- Pakistan Green #283618 ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.055
- Midnight Green #073B4C ΔE 0.063
- Very Dark Green #062E03 ΔE 0.067
Use #182E2B 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.