#425145
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.8% 0.027 151), rgb(66, 81, 69).
Aa
White text reads best on this color (8.41:1).
About this color
#425145 is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.031 away. White text reads best on it, at 8.41:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.49:1 |
| White text | 8.41:1 |
Values
| HEX | #425145 |
| RGB | rgb(66, 81, 69) |
| HSL | hsl(132, 10%, 29%) |
| OKLCH | oklch(41.8% 0.027 151) |
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 #425145 | 8.41:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #425145 | 2.49:1 | Fails | Lc 15.0 | Not readable |
| #425145 text on white | 8.41:1 | AAA | Lc 89.0 | Fine for body text |
| #425145 text on black | 2.49:1 | Fails | Lc -13.2 | 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 800.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EBE8
oklch(93.7% 0.005 145.5)
-
Step 200
200
#D5DBD6
oklch(88.5% 0.009 150.7)
-
Step 300
300
#BAC4BB
oklch(81% 0.017 148.4)
-
Step 400
400
#96A599
oklch(70.7% 0.024 151.5)
-
Step 500
500
#7C8F80
oklch(63% 0.031 151.6)
-
Step 600
600
#657A69
oklch(55.7% 0.036 150.7)
-
Step 700
700
#536657
oklch(49% 0.033 151.3)
-
Step 800
800 (this color)
#425145
oklch(41.8% 0.027 151)
-
Step 900
900
#3A453C
oklch(37.7% 0.021 150.5)
-
Step 950
950
#222823
oklch(26.9% 0.013 150.2)
#425145 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) | #514E44 | 0.024 |
| Deuteranopia (no green cones) | #4F4D46 | 0.023 |
| Tritanopia (no blue cones) | #40504E | 0.016 |
| Achromatopsia (no color) | #4D4D4D | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425145
#425145
oklch(41.8% 0.027 151)
- #564753
#564753
oklch(41.8% 0.028 333)
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 #425145, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.031
- Charcoal Grey #3C4142 ΔE 0.053
- Dark Blue Green #005249 ΔE 0.055
- Deep Teal #00555A ΔE 0.057
- Dark Green Blue #1F6357 ΔE 0.060
- Pine #2B5D34 ΔE 0.060
- Dark Teal #014D4E ΔE 0.062
- Charcoal #264653 ΔE 0.062
Use #425145 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.