#182C33
Closest named color: Jet (#212529). oklch(27.9% 0.029 222.3), rgb(24, 44, 51).
Aa
White text reads best on this color (14.51:1).
About this color
#182C33 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 0.027 away. White text reads best on it, at 14.51:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.44:1 |
| White text | 14.51:1 |
Values
| HEX | #182C33 |
| RGB | rgb(24, 44, 51) |
| HSL | hsl(196, 36%, 15%) |
| OKLCH | oklch(27.9% 0.029 222.3) |
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 #182C33 | 14.51:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #182C33 | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #182C33 text on white | 14.51:1 | AAA | Lc 101.2 | Preferred for body text |
| #182C33 text on black | 1.44:1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CCDCE2
oklch(88.4% 0.019 222.2)
-
Step 300
300
#AAC6D1
oklch(80.9% 0.034 223.5)
-
Step 400
400
#7BA9B9
oklch(70.7% 0.054 221.4)
-
Step 500
500
#5793A8
oklch(63.1% 0.07 222.5)
-
Step 600
600
#3A7D93
oklch(55.5% 0.076 222.3)
-
Step 700
700
#2B6A7E
oklch(49.2% 0.071 222.1)
-
Step 800
800
#255666
oklch(42.7% 0.059 222.3)
-
Step 900
900
#244753
oklch(37.7% 0.045 222.5)
-
Step 950
950 (this color)
#182C33
oklch(27.9% 0.029 222.3)
#182C33 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) | #282B33 | 0.024 |
| Deuteranopia (no green cones) | #242833 | 0.021 |
| Tritanopia (no blue cones) | #0C2E2E | 0.019 |
| Achromatopsia (no color) | #292929 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #182C33
#182C33
oklch(27.9% 0.029 222.3)
- #35241D
#35241D
oklch(27.9% 0.029 43.3)
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 #182C33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.027
- Dark #1B2431 ΔE 0.028
- Oxford Blue #1B263B ΔE 0.029
- Gunmetal #293241 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.042
- Midnight Green #073B4C ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.063
- Rich Black #0D1B2A ΔE 0.064
Use #182C33 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.