#4B5963
Closest named color: YInMn Blue (#415A77). oklch(45.6% 0.024 239.2), rgb(75, 89, 99).
Aa
White text reads best on this color (7.22:1).
About this color
#4B5963 is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is YInMn Blue (#415A77), ΔE 0.034 away. White text reads best on it, at 7.22:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #4B5963 |
| RGB | rgb(75, 89, 99) |
| HSL | hsl(205, 14%, 34%) |
| OKLCH | oklch(45.6% 0.024 239.2) |
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 #4B5963 | 7.22:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #4B5963 | 2.90:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #4B5963 text on white | 7.22:1 | AAA | Lc 85.1 | Fine for body text |
| #4B5963 text on black | 2.90:1 | Fails | Lc -16.9 | Dividers and decoration only |
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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D5DADE
oklch(88.6% 0.008 241.7)
-
Step 300
300
#B9C2C9
oklch(80.9% 0.014 241)
-
Step 400
400
#94A3AD
oklch(70.7% 0.022 236.9)
-
Step 500
500
#7A8C99
oklch(63% 0.029 239.3)
-
Step 600
600
#637684
oklch(55.5% 0.031 240.1)
-
Step 700
700
#526370
oklch(49% 0.029 241.2)
-
Step 800
800 (this color)
#4B5963
oklch(45.6% 0.024 239.2)
-
Step 900
900
#39434B
oklch(37.7% 0.019 242.3)
-
Step 950
950
#21272C
oklch(26.9% 0.013 243.3)
#4B5963 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) | #555964 | 0.015 |
| Deuteranopia (no green cones) | #525663 | 0.013 |
| Tritanopia (no blue cones) | #445C5C | 0.020 |
| Achromatopsia (no color) | #575757 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5963
#4B5963
oklch(45.6% 0.024 239.2)
- #61544A
#61544A
oklch(45.6% 0.023 59.7)
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 #4B5963, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.034
- Dusty Grape #545775 ΔE 0.036
- Slate #516572 ΔE 0.040
- Dusk #4E5481 ΔE 0.057
- Petrol #005F6A ΔE 0.058
- Dark Slate Gray #2F4F4F ΔE 0.059
- Dark Green Blue #1F6357 ΔE 0.062
- Dark Aqua #05696B ΔE 0.066
Use #4B5963 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.