#182227
Closest named color: Jet (#212529). oklch(24.5% 0.017 229.9), rgb(24, 34, 39).
Aa
White text reads best on this color (16.19:1).
About this color
#182227 is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.019 away. White text reads best on it, at 16.19:1.
| Hue family | Neutrals |
| Lightness | very dark (24%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.29:1 |
| White text | 16.19:1 |
Values
| HEX | #182227 |
| RGB | rgb(24, 34, 39) |
| HSL | hsl(200, 24%, 12%) |
| OKLCH | oklch(24.5% 0.017 229.9) |
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 #182227 | 16.19:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #182227 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #182227 text on white | 16.19:1 | AAA | Lc 103.1 | Preferred for body text |
| #182227 text on black | 1.29:1 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D2DBDF
oklch(88.6% 0.011 226)
-
Step 300
300
#B4C3CB
oklch(80.8% 0.02 230.8)
-
Step 400
400
#8DA5B1
oklch(70.7% 0.032 229.4)
-
Step 500
500
#708F9E
oklch(63.2% 0.042 229)
-
Step 600
600
#587989
oklch(55.7% 0.045 229.4)
-
Step 700
700
#486574
oklch(49% 0.042 231.2)
-
Step 800
800
#3B535E
oklch(42.7% 0.034 228)
-
Step 900
900
#33444D
oklch(37.6% 0.027 231.4)
-
Step 950
950 (this color)
#182227
oklch(24.5% 0.017 229.9)
#182227 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) | #202227 | 0.013 |
| Deuteranopia (no green cones) | #1D2027 | 0.010 |
| Tritanopia (no blue cones) | #132324 | 0.011 |
| Achromatopsia (no color) | #212121 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #182227
#182227
oklch(24.5% 0.017 229.9)
- #271E19
#271E19
oklch(24.4% 0.017 50.6)
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 #182227, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.019
- Dark #1B2431 ΔE 0.020
- Rich Black #0D1B2A ΔE 0.034
- Oxford Blue #1B263B ΔE 0.038
- Space Cadet #2B2D42 ΔE 0.067
- Dark Brown #341C02 ΔE 0.071
- Gunmetal #293241 ΔE 0.073
- Rich Navy #001219 ΔE 0.077
Use #182227 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.