#3E494B

Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.6% 0.015 209.8), rgb(62, 73, 75).

White text reads best on this color (9.29:1).

About this color

#3E494B is a dark close to neutral grey. In OKLCH its lightness is 40%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.025 away. White text reads best on it, at 9.29:1.

Hue family	Neutrals
Lightness	dark (40%)
Chroma	close to neutral grey (0.015)
Temperature	neutral
Nearest name	Dark Slate Gray (#2F4F4F)
Black text	2.25:1
White text	9.29:1

Values

HEX	#3E494B
RGB	rgb(62, 73, 75)
HSL	hsl(189, 9%, 27%)
OKLCH	oklch(39.6% 0.015 209.8)

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 #3E494B	9.29:1	AAA	Lc -95.8	Preferred for body text
Black text on #3E494B	2.25:1	Fails	Lc 12.5	Not readable
#3E494B text on white	9.29:1	AAA	Lc 91.5	Preferred for body text
#3E494B text on black	2.25:1	Fails	Lc -10.9	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

#F4F6F6

oklch(97.2% 0.002 197.1)
Step 100
100

#E7EAEB

oklch(93.5% 0.004 219.5)
Step 200
200

#D5DADB

oklch(88.5% 0.006 211)
Step 300
300

#B9C3C4

oklch(81% 0.011 204.1)
Step 400
400

#95A4A7

oklch(70.8% 0.018 211)
Step 500
500

#7B8D91

oklch(63% 0.022 212.6)
Step 600
600

#63777B

oklch(55.5% 0.024 211.1)
Step 700
700

#526468

oklch(49% 0.023 212.7)
Step 800
800

#435255

oklch(42.7% 0.019 211.1)
Step 900
900 (this color)

#3E494B

oklch(39.6% 0.015 209.8)
Step 950
950

#212829

oklch(27% 0.01 207.1)

Export this scale for Tailwind in the Tailwind colors tool

#3E494B 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)	#47484B	0.014
Deuteranopia (no green cones)	#45464B	0.014
Tritanopia (no blue cones)	#3A4A4A	0.007
Achromatopsia (no color)	#474747	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 #3E494B, closest first.

Similar named colors

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

Use #3E494B 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