#28353D
Closest named color: Gunmetal (#293241). oklch(32.1% 0.022 235.4), rgb(40, 53, 61).
Aa
White text reads best on this color (12.59:1).
About this color
#28353D is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.014 away. White text reads best on it, at 12.59:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.66:1 |
| White text | 12.59:1 |
Values
| HEX | #28353D |
| RGB | rgb(40, 53, 61) |
| HSL | hsl(203, 21%, 20%) |
| OKLCH | oklch(32.1% 0.022 235.4) |
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 #28353D | 12.59:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #28353D | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #28353D text on white | 12.59:1 | AAA | Lc 98.6 | Preferred for body text |
| #28353D 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D0DBE2
oklch(88.5% 0.015 235.4)
-
Step 300
300
#B1C4D0
oklch(81% 0.027 235.4)
-
Step 400
400
#88A5B8
oklch(70.7% 0.043 236.9)
-
Step 500
500
#698FA6
oklch(63% 0.055 235.4)
-
Step 600
600
#507991
oklch(55.5% 0.059 235)
-
Step 700
700
#41667C
oklch(49.2% 0.055 235.6)
-
Step 800
800
#365365
oklch(42.7% 0.046 236.6)
-
Step 900
900
#2F4552
oklch(37.8% 0.035 234.9)
-
Step 950
950 (this color)
#28353D
oklch(32.1% 0.022 235.4)
#28353D 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) | #31353D | 0.014 |
| Deuteranopia (no green cones) | #2E323D | 0.013 |
| Tritanopia (no blue cones) | #213738 | 0.016 |
| Achromatopsia (no color) | #333333 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28353D
#28353D
oklch(32.1% 0.022 235.4)
- #3C3028
#3C3028
oklch(32% 0.022 55.5)
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 #28353D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.014
- Onyx #343A40 ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.030
- Space Cadet #2B2D42 ΔE 0.031
- Midnight Green #073B4C ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.057
Use #28353D 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.