#030307

Closest named color: Almost Black (#070D0D). oklch(10.1% 0.015 283.5), rgb(3, 3, 7).

White text reads best on this color (20.58:1).

About this color

#030307 is a very dark close to neutral grey. In OKLCH its lightness is 10%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.054 away. White text reads best on it, at 20.58:1.

Hue family	Neutrals
Lightness	very dark (10%)
Chroma	close to neutral grey (0.015)
Temperature	neutral
Nearest name	Almost Black (#070D0D)
Black text	1.01:1
White text	20.58:1

Values

HEX	#030307
RGB	rgb(3, 3, 7)
HSL	hsl(240, 40%, 2%)
OKLCH	oklch(10.1% 0.015 283.5)

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 #030307	20.58:1	AAA	Lc -107.9	Preferred for body text
Black text on #030307	1.01:1	Fails	Lc 0.0	Not readable
#030307 text on white	20.58:1	AAA	Lc 106.0	Preferred for body text
#030307 text on black	1.01:1	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

#F5F5F7

oklch(97.1% 0.003 286.4)
Step 100
100

#E9E9ED

oklch(93.5% 0.005 286.3)
Step 200
200

#D8D8DF

oklch(88.4% 0.01 286.2)
Step 300
300

#BFBFCC

oklch(80.9% 0.018 286)
Step 400
400

#9E9FB2

oklch(70.8% 0.028 283.3)
Step 500
500

#86879F

oklch(63.1% 0.036 283.4)
Step 600
600

#70718A

oklch(55.7% 0.039 283.3)
Step 700
700

#5E5E75

oklch(49.1% 0.037 285)
Step 800
800

#4C4D5F

oklch(42.6% 0.03 282.6)
Step 900
900

#40404E

oklch(37.7% 0.024 285.2)
Step 950
950 (this color)

#030307

oklch(10.1% 0.015 283.5)

Export this scale for Tailwind in the Tailwind colors tool

#030307 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)	#020307	0.005
Deuteranopia (no green cones)	#020307	0.005
Tritanopia (no blue cones)	#020404	0.016
Achromatopsia (no color)	#030303	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 #030307, closest first.

Similar named colors

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

Use #030307 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