#1D231D

Closest named color: Jet (#212529). oklch(24.8% 0.014 145.1), rgb(29, 35, 29).

White text reads best on this color (16.02:1).

About this color

#1D231D is a very dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.014. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.024 away. White text reads best on it, at 16.02:1.

Hue family	Neutrals
Lightness	very dark (25%)
Chroma	close to neutral grey (0.014)
Temperature	neutral
Nearest name	Jet (#212529)
Black text	1.31:1
White text	16.02:1

Values

HEX	#1D231D
RGB	rgb(29, 35, 29)
HSL	hsl(120, 9%, 13%)
OKLCH	oklch(24.8% 0.014 145.1)

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 #1D231D	16.02:1	AAA	Lc -105.5	Preferred for body text
Black text on #1D231D	1.31:1	Fails	Lc 0.0	Not readable
#1D231D text on white	16.02:1	AAA	Lc 103.0	Preferred for body text
#1D231D text on black	1.31:1	Fails	Lc 0.0	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 950.

Step 50
50

#F4F6F4

oklch(97.1% 0.003 145.5)
Step 100
100

#E8EBE8

oklch(93.7% 0.005 145.5)
Step 200
200

#D5DBD5

oklch(88.5% 0.01 145.5)
Step 300
300

#BAC4BA

oklch(81% 0.018 145.4)
Step 400
400

#97A597

oklch(70.7% 0.026 145.3)
Step 500
500

#7D8F7D

oklch(63% 0.034 145.2)
Step 600
600

#667966

oklch(55.5% 0.037 145.1)
Step 700
700

#556655

oklch(49.1% 0.034 145)
Step 800
800

#455345

oklch(42.6% 0.029 145)
Step 900
900

#3A453A

oklch(37.7% 0.023 145.1)
Step 950
950 (this color)

#1D231D

oklch(24.8% 0.014 145.1)

Export this scale for Tailwind in the Tailwind colors tool

#1D231D 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)	#23221D	0.011
Deuteranopia (no green cones)	#22211D	0.011
Tritanopia (no blue cones)	#1C2321	0.007
Achromatopsia (no color)	#212121	0.014

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 #1D231D, closest first.

Similar named colors

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

Use #1D231D 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