#010F34#010F34

#010F34 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.5% C 0.077 H 261.7°. Best body text is #FFFFFF at 18.76:1 contrast (WCAG AA passes).

Color values

HEX	#010F34
RGB	rgb(1, 15, 52)
HSL	hsl(224, 96%, 10%)
HSV	hsv(224, 98%, 20%)
CMYK	cmyk(98.1%, 71.2%, 0%, 79.6%)
CIE-LAB	lab(5.38, 9.69, -25.62)
CIE-LCH	lch(5.38, 27.39, 290.72°)
OKLab	oklab(18.53% -0.0111 -0.076)
OKLCH	oklch(18.53% 0.077 261.7)
XYZ	xyz(0.8030, 0.5959, 3.3209)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.04

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010F34 #342601

analogous

#012834 #010F34 #0C0134

triadic

#010F34 #34010F #0F3401

tetradic

#010F34 #340128 #342601 #01340C

square

#010F34 #340128 #342601 #01340C

split-complementary

#010F34 #340C01 #283401

monochromatic

#01091E #01091E #010F34 #022070 #0332AC

Accessibility & contrast

On white

18.76

#010F34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#010F34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010F34

18.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010F34	#FFFFFF	#000000	##FFFFFF
##010F34	1.00	18.76	1.12	18.76
#FFFFFF	18.76	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001435

Deuteranopia (green-blind)

#000F33

Tritanopia (blue-blind)

#00191F

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #010f34;
/* rgb */ color: rgb(1, 15, 52);
/* oklch */ color: oklch(18.5% 0.077 261.7);

Tailwind

colors: {
  custom: {
    50: '#4b4d6c',
    500: '#010f34',
    950: '#000000',
  },
}

SCSS

$custom: #010f34;
$custom-light: #4b4d6c;
$custom-dark: #000000;

JSON

{
  "hex": "#010f34",
  "rgb": {
    "r": 1,
    "g": 15,
    "b": 52
  },
  "hsl": {
    "h": 223.529,
    "s": 96.226,
    "l": 10.392
  },
  "oklch": {
    "l": 0.18531,
    "c": 0.07677,
    "h": 261.7
  },
  "luminance": 0.00596
}

Semantic roles & 50–950 ramp

primary

#010F34

secondary

#795E18

accent

#C429FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010107

muted

#77777A

Preview Lab

Preview with #010F34

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

Preview Lab → · Contrast checker → · Palette generator →