#010307#010307

#010307 is a very dark, near-neutral blue. Relative luminance 0.001; OKLCH L 9.5% C 0.018 H 253.1°. Best body text is #FFFFFF at 20.64:1 contrast (WCAG AA passes).

Color values

HEX	#010307
RGB	rgb(1, 3, 7)
HSL	hsl(220, 75%, 2%)
HSV	hsv(220, 86%, 3%)
CMYK	cmyk(85.7%, 57.1%, 0%, 97.3%)
CIE-LAB	lab(0.79, 0.03, -1.70)
CIE-LCH	lch(0.79, 1.70, 271.11°)
OKLab	oklab(9.54% -0.0051 -0.0168)
OKLCH	oklch(9.54% 0.018 253.1)
XYZ	xyz(0.0834, 0.0869, 0.2134)
Luminance	0.0009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010307 #070501

analogous

#010607 #010307 #020107

triadic

#010307 #070103 #030701

tetradic

#010307 #070106 #070501 #010702

square

#010307 #070106 #070501 #010702

split-complementary

#010307 #070201 #060701

monochromatic

#040B1B #040B1B #040B1B #091A3D #103172

Accessibility & contrast

On white

20.64

#010307 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#010307 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010307

20.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010307	#FFFFFF	#000000	##FFFFFF
##010307	1.00	20.64	1.02	20.64
#FFFFFF	20.64	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#020307

Deuteranopia (green-blind)

#010307

Tritanopia (blue-blind)

#000404

Achromatopsia (no color)

#030303

Design tokens & code

CSS

--color: #010307;
/* rgb */ color: rgb(1, 3, 7);
/* oklch */ color: oklch(9.5% 0.018 253.1);

Tailwind

colors: {
  custom: {
    50: '#47484a',
    500: '#010307',
    950: '#000000',
  },
}

SCSS

$custom: #010307;
$custom-light: #47484a;
$custom-dark: #000000;

JSON

{
  "hex": "#010307",
  "rgb": {
    "r": 1,
    "g": 3,
    "b": 7
  },
  "hsl": {
    "h": 220,
    "s": 75,
    "l": 1.569
  },
  "oklch": {
    "l": 0.09538,
    "c": 0.01753,
    "h": 253.1
  },
  "luminance": 0.00087
}

Semantic roles & 50–950 ramp

primary

#010307

secondary

#4C3B18

accent

#B336F2

background

#F3F4F4

surface

#E5E6E7

border

#C1C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #010307

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →