#454D40
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.9% 0.024 133.4), rgb(69, 77, 64).
Aa
White text reads best on this color (8.79:1).
About this color
#454D40 is a dark close to neutral grey. In OKLCH its lightness is 41%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.034 away. White text reads best on it, at 8.79:1.
| Hue family | Neutrals |
| Lightness | dark (41%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.38:1 |
| White text | 8.79:1 |
Values
| HEX | #454D40 |
| RGB | rgb(69, 77, 64) |
| HSL | hsl(97, 9%, 28%) |
| OKLCH | oklch(40.9% 0.024 133.4) |
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 #454D40 | 8.79:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #454D40 | 2.38:1 | Fails | Lc 13.9 | Not readable |
| #454D40 text on white | 8.79:1 | AAA | Lc 90.1 | Preferred for body text |
| #454D40 text on black | 2.38:1 | Fails | Lc -12.2 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E9EAE8
oklch(93.6% 0.003 128.5)
-
Step 200
200
#D7DAD5
oklch(88.5% 0.007 132.4)
-
Step 300
300
#BDC3BA
oklch(81% 0.014 134.9)
-
Step 400
400
#9BA496
oklch(70.7% 0.022 134.1)
-
Step 500
500
#838D7C
oklch(63% 0.028 132.3)
-
Step 600
600
#6C7765
oklch(55.5% 0.03 133.2)
-
Step 700
700
#5A6454
oklch(49% 0.028 133.7)
-
Step 800
800 (this color)
#454D40
oklch(40.9% 0.024 133.4)
-
Step 900
900
#3E443A
oklch(37.8% 0.018 132.7)
-
Step 950
950
#242822
oklch(27.1% 0.012 135.1)
#454D40 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) | #4E4B3F | 0.015 |
| Deuteranopia (no green cones) | #4D4A41 | 0.016 |
| Tritanopia (no blue cones) | #454C49 | 0.016 |
| Achromatopsia (no color) | #4B4B4B | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #454D40
#454D40
oklch(40.9% 0.024 133.4)
- #4F4653
#4F4653
oklch(40.8% 0.024 315.5)
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 #454D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.034
- Charcoal Grey #3C4142 ΔE 0.044
- Dark Blue Green #005249 ΔE 0.060
- Charcoal #264653 ΔE 0.061
- Dark Teal #014D4E ΔE 0.064
- Deep Teal #00555A ΔE 0.065
- Mud Brown #60460F ΔE 0.065
- Green Brown #544E03 ΔE 0.067
Use #454D40 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.