#253530
Closest named color: Gunmetal (#293241). oklch(31.3% 0.023 173.5), rgb(37, 53, 48).
Aa
White text reads best on this color (12.87:1).
About this color
#253530 is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.037 away. White text reads best on it, at 12.87:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.63:1 |
| White text | 12.87:1 |
Values
| HEX | #253530 |
| RGB | rgb(37, 53, 48) |
| HSL | hsl(161, 18%, 18%) |
| OKLCH | oklch(31.3% 0.023 173.5) |
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 #253530 | 12.87:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #253530 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #253530 text on white | 12.87:1 | AAA | Lc 99.0 | Preferred for body text |
| #253530 text on black | 1.63:1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#D0DDD8
oklch(88.6% 0.016 171)
-
Step 300
300
#B0C7BF
oklch(81% 0.027 172.7)
-
Step 400
400
#85AA9E
oklch(70.7% 0.044 173.2)
-
Step 500
500
#669586
oklch(63.2% 0.056 172.5)
-
Step 600
600
#4C7F70
oklch(55.6% 0.06 173.3)
-
Step 700
700
#3D6B5E
oklch(49.1% 0.055 173.8)
-
Step 800
800
#32574D
oklch(42.6% 0.046 174.8)
-
Step 900
900
#2D4840
oklch(37.7% 0.036 173.7)
-
Step 950
950 (this color)
#253530
oklch(31.3% 0.023 173.5)
#253530 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) | #343330 | 0.024 |
| Deuteranopia (no green cones) | #313130 | 0.022 |
| Tritanopia (no blue cones) | #213533 | 0.007 |
| Achromatopsia (no color) | #323232 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #253530
#253530
oklch(31.3% 0.023 173.5)
- #3B2C32
#3B2C32
oklch(31.2% 0.024 352.7)
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 #253530, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.037
- Onyx #343A40 ΔE 0.040
- Pakistan Green #283618 ΔE 0.040
- Dark Blue Grey #1F3B4D ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.050
- Midnight Green #073B4C ΔE 0.051
- Jet #212529 ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.061
Use #253530 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.