#283442
Closest named color: Gunmetal (#293241). oklch(32% 0.03 252.6), rgb(40, 52, 66).
Aa
White text reads best on this color (12.64:1).
About this color
#283442 is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.006 away. White text reads best on it, at 12.64:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.66:1 |
| White text | 12.64:1 |
Values
| HEX | #283442 |
| RGB | rgb(40, 52, 66) |
| HSL | hsl(212, 25%, 21%) |
| OKLCH | oklch(32% 0.03 252.6) |
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 #283442 | 12.64:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #283442 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #283442 text on white | 12.64:1 | AAA | Lc 98.7 | Preferred for body text |
| #283442 text on black | 1.66:1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300
#B1C3D7
oklch(81% 0.035 251)
-
Step 400
400
#88A3C4
oklch(70.7% 0.057 253.7)
-
Step 500
500
#6A8CB5
oklch(63.1% 0.073 253.5)
-
Step 600
600
#5176A0
oklch(55.6% 0.078 252.3)
-
Step 700
700
#426389
oklch(49.1% 0.072 252.7)
-
Step 800
800
#36516F
oklch(42.7% 0.06 251.8)
-
Step 900
900
#2F435A
oklch(37.6% 0.047 252.5)
-
Step 950
950 (this color)
#283442
oklch(32% 0.03 252.6)
#283442 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) | #2F3443 | 0.011 |
| Deuteranopia (no green cones) | #2C3242 | 0.009 |
| Tritanopia (no blue cones) | #203739 | 0.025 |
| Achromatopsia (no color) | #333333 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #283442
#283442
oklch(32% 0.03 252.6)
- #3C3122
#3C3122
oklch(32.1% 0.03 75)
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 #283442, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.006
- Space Cadet #2B2D42 ΔE 0.023
- Dark Blue Grey #1F3B4D ΔE 0.026
- Onyx #343A40 ΔE 0.030
- Midnight Green #073B4C ΔE 0.036
- Prussian Blue #1D3557 ΔE 0.039
- Oxford Blue #1B263B ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.057
Use #283442 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.