#011331#011331

#011331 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.3% C 0.066 H 257.5°. Best body text is #FFFFFF at 18.44:1 contrast (WCAG AA passes).

Color values

HEX	#011331
RGB	rgb(1, 19, 49)
HSL	hsl(218, 96%, 10%)
HSV	hsv(218, 98%, 19%)
CMYK	cmyk(98%, 61.2%, 0%, 80.8%)
CIE-LAB	lab(6.27, 5.74, -21.99)
CIE-LCH	lch(6.27, 22.73, 284.63°)
OKLab	oklab(19.27% -0.0142 -0.0641)
OKLCH	oklch(19.27% 0.066 257.5)
XYZ	xyz(0.7996, 0.6938, 2.9969)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011331 #311F01

analogous

#012B31 #011331 #070131

triadic

#011331 #310113 #133101

tetradic

#011331 #31012B #311F01 #013107

square

#011331 #31012B #311F01 #013107

split-complementary

#011331 #310701 #2B3101

monochromatic

#010C1E #010C1E #011331 #022A6D #0342A9

Accessibility & contrast

On white

18.44

#011331 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#011331 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011331

18.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011331	#FFFFFF	#000000	##FFFFFF
##011331	1.00	18.44	1.14	18.44
#FFFFFF	18.44	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021632

Deuteranopia (green-blind)

#001230

Tritanopia (blue-blind)

#001A1F

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #011331;
/* rgb */ color: rgb(1, 19, 49);
/* oklch */ color: oklch(19.3% 0.066 257.5);

Tailwind

colors: {
  custom: {
    50: '#4a5069',
    500: '#011331',
    950: '#000000',
  },
}

SCSS

$custom: #011331;
$custom-light: #4a5069;
$custom-dark: #000000;

JSON

{
  "hex": "#011331",
  "rgb": {
    "r": 1,
    "g": 19,
    "b": 49
  },
  "hsl": {
    "h": 217.5,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.19269,
    "c": 0.0657,
    "h": 257.5
  },
  "luminance": 0.00694
}

Semantic roles & 50–950 ramp

primary

#011331

secondary

#775317

accent

#AF29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #011331

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

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