#4B4657
Closest named color: Charcoal Grey (#3C4142). oklch(40.6% 0.029 298.6), rgb(75, 70, 87).
Aa
White text reads best on this color (9.07:1).
About this color
#4B4657 is a dark close to neutral grey. In OKLCH its lightness is 41%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.045 away. White text reads best on it, at 9.07:1.
| Hue family | Neutrals |
| Lightness | dark (41%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.31:1 |
| White text | 9.07:1 |
Values
| HEX | #4B4657 |
| RGB | rgb(75, 70, 87) |
| HSL | hsl(258, 11%, 31%) |
| OKLCH | oklch(40.6% 0.029 298.6) |
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 #4B4657 | 9.07:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #4B4657 | 2.31:1 | Fails | Lc 13.1 | Not readable |
| #4B4657 text on white | 9.07:1 | AAA | Lc 90.9 | Preferred for body text |
| #4B4657 text on black | 2.31:1 | Fails | Lc -11.4 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#EAE9ED
oklch(93.6% 0.005 297.7)
-
Step 200
200
#DAD8DF
oklch(88.6% 0.01 299.2)
-
Step 300
300
#C2BECA
oklch(80.8% 0.017 301.2)
-
Step 400
400
#A29DB0
oklch(70.6% 0.028 297.7)
-
Step 500
500
#8C859C
oklch(63.1% 0.035 299.3)
-
Step 600
600
#766F87
oklch(55.7% 0.038 298.5)
-
Step 700
700
#635D72
oklch(49.2% 0.034 298.2)
-
Step 800
800 (this color)
#4B4657
oklch(40.6% 0.029 298.6)
-
Step 900
900
#433F4C
oklch(37.7% 0.022 299.4)
-
Step 950
950
#27252D
oklch(27% 0.015 296.8)
#4B4657 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) | #434858 | 0.013 |
| Deuteranopia (no green cones) | #434856 | 0.014 |
| Tritanopia (no blue cones) | #49484C | 0.022 |
| Achromatopsia (no color) | #484848 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4657
#4B4657
oklch(40.6% 0.029 298.6)
- #474C3A
#474C3A
oklch(40.6% 0.03 120.3)
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 #4B4657, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.052
- Charcoal #264653 ΔE 0.054
- Purple Brown #673A3F ΔE 0.063
- Onyx #343A40 ΔE 0.065
- Dusty Grape #545775 ΔE 0.065
- YInMn Blue #415A77 ΔE 0.068
Use #4B4657 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.