#43454E
Closest named color: Charcoal Grey (#3C4142). oklch(39.2% 0.015 275.7), rgb(67, 69, 78).
Aa
White text reads best on this color (9.54:1).
About this color
#43454E is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.025 away. White text reads best on it, at 9.54:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.19:1 |
| White text | 9.54:1 |
Values
| HEX | #43454E |
| RGB | rgb(67, 69, 78) |
| HSL | hsl(229, 8%, 28%) |
| OKLCH | oklch(39.2% 0.015 275.7) |
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 #43454E | 9.54:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #43454E | 2.19:1 | Fails | Lc 11.8 | Not readable |
| #43454E text on white | 9.54:1 | AAA | Lc 92.1 | Preferred for body text |
| #43454E text on black | 2.19:1 | Fails | Lc -10.3 | 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 900.
-
Step 50
50
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D8D9DD
oklch(88.6% 0.006 275)
-
Step 300
300
#BEC0C8
oklch(80.9% 0.011 274.9)
-
Step 400
400
#9DA0AC
oklch(70.7% 0.018 274.7)
-
Step 500
500
#858998
oklch(63.2% 0.023 273.8)
-
Step 600
600
#6F7283
oklch(55.5% 0.027 277.6)
-
Step 700
700
#5D606F
oklch(49.2% 0.024 276.5)
-
Step 800
800
#4C4E5A
oklch(42.7% 0.02 278)
-
Step 900
900 (this color)
#43454E
oklch(39.2% 0.015 275.7)
-
Step 950
950
#25262B
oklch(27% 0.009 276.8)
#43454E 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) | #43464E | 0.003 |
| Deuteranopia (no green cones) | #42454E | 0.002 |
| Tritanopia (no blue cones) | #414748 | 0.014 |
| Achromatopsia (no color) | #454545 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43454E
#43454E
oklch(39.2% 0.015 275.7)
- #48463C
#48463C
oklch(39.3% 0.017 97.8)
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 #43454E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.025
- Charcoal #264653 ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.040
- Dark Grey Blue #29465B ΔE 0.040
- Onyx #343A40 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.064
- Dark Teal #014D4E ΔE 0.064
- Purple Brown #673A3F ΔE 0.069
Use #43454E 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.