#454151
Closest named color: Charcoal Grey (#3C4142). oklch(38.6% 0.027 296.6), rgb(69, 65, 81).
Aa
White text reads best on this color (9.86:1).
About this color
#454151 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.031 away. White text reads best on it, at 9.86:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.12:1 |
| White text | 9.86:1 |
Values
| HEX | #454151 |
| RGB | rgb(69, 65, 81) |
| HSL | hsl(255, 11%, 29%) |
| OKLCH | oklch(38.6% 0.027 296.6) |
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 #454151 | 9.86:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #454151 | 2.12:1 | Fails | Lc 11.0 | Not readable |
| #454151 text on white | 9.86:1 | AAA | Lc 92.9 | Preferred for body text |
| #454151 text on black | 2.12:1 | Fails | Lc -9.6 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#EAE9ED
oklch(93.6% 0.005 297.7)
-
Step 200
200
#DAD8E0
oklch(88.6% 0.011 297.6)
-
Step 300
300
#C1BECD
oklch(80.9% 0.021 295.1)
-
Step 400
400
#A29DB3
oklch(70.7% 0.032 296)
-
Step 500
500
#8C85A0
oklch(63.2% 0.041 297.1)
-
Step 600
600
#766E8B
oklch(55.6% 0.045 297.5)
-
Step 700
700
#635C76
oklch(49.1% 0.042 297.2)
-
Step 800
800
#514B60
oklch(42.7% 0.035 298)
-
Step 900
900 (this color)
#454151
oklch(38.6% 0.027 296.6)
-
Step 950
950
#27252E
oklch(27% 0.017 295.4)
#454151 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) | #3E4352 | 0.012 |
| Deuteranopia (no green cones) | #3E4351 | 0.012 |
| Tritanopia (no blue cones) | #434346 | 0.022 |
| Achromatopsia (no color) | #434343 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #454151
#454151
oklch(38.6% 0.027 296.6)
- #434635
#434635
oklch(38.6% 0.028 115.9)
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 #454151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.031
- Dark Grey Blue #29465B ΔE 0.042
- Charcoal #264653 ΔE 0.044
- Onyx #343A40 ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.053
- Dark Blue Grey #1F3B4D ΔE 0.061
- Purple Brown #673A3F ΔE 0.066
- Gunmetal #293241 ΔE 0.072
Use #454151 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.