#443B40

Closest named color: Charcoal Grey (#3C4142). oklch(36.3% 0.015 343.3), rgb(68, 59, 64).

White text reads best on this color (10.79:1).

About this color

#443B40 is a dark close to neutral grey. In OKLCH its lightness is 36%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.022 away. White text reads best on it, at 10.79:1.

Hue family	Neutrals
Lightness	dark (36%)
Chroma	close to neutral grey (0.015)
Temperature	neutral
Nearest name	Charcoal Grey (#3C4142)
Black text	1.94:1
White text	10.79:1

Values

HEX	#443B40
RGB	rgb(68, 59, 64)
HSL	hsl(327, 7%, 25%)
OKLCH	oklch(36.3% 0.015 343.3)

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 #443B40	10.79:1	AAA	Lc -98.9	Preferred for body text
Black text on #443B40	1.94:1	Fails	Lc 8.9	Not readable
#443B40 text on white	10.79:1	AAA	Lc 95.0	Preferred for body text
#443B40 text on black	1.94:1	Fails	Lc -7.6	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

#F6F5F6

oklch(97.1% 0.002 325.6)
Step 100
100

#EBE9EA

oklch(93.6% 0.003 345.2)
Step 200
200

#DCD7DA

oklch(88.4% 0.007 340.4)
Step 300
300

#C6BEC2

oklch(80.9% 0.01 345.5)
Step 400
400

#A99CA3

oklch(70.6% 0.018 343.8)
Step 500
500

#94848D

oklch(63.1% 0.023 342.9)
Step 600
600

#7E6E77

oklch(55.6% 0.024 343)
Step 700
700

#6B5C64

oklch(49.2% 0.023 344.6)
Step 800
800

#574B52

oklch(42.7% 0.019 342)
Step 900
900 (this color)

#443B40

oklch(36.3% 0.015 343.3)
Step 950
950

#2A2528

oklch(27.1% 0.009 341)

Export this scale for Tailwind in the Tailwind colors tool

#443B40 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)	#3B3D40	0.016
Deuteranopia (no green cones)	#3D3E40	0.015
Tritanopia (no blue cones)	#453B3D	0.005
Achromatopsia (no color)	#3D3D3D	0.015

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #443B40, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #443B40 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.

Build a color system from this color Generate a palette