#010F35#010F35

#010F35 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.6% C 0.078 H 261.9°. Best body text is #FFFFFF at 18.73:1 contrast (WCAG AA passes).

Color values

HEX	#010F35
RGB	rgb(1, 15, 53)
HSL	hsl(224, 96%, 11%)
HSV	hsv(224, 98%, 21%)
CMYK	cmyk(98.1%, 71.7%, 0%, 79.2%)
CIE-LAB	lab(5.46, 10.27, -26.22)
CIE-LCH	lch(5.46, 28.16, 291.38°)
OKLab	oklab(18.64% -0.011 -0.0776)
OKLCH	oklch(18.64% 0.078 261.9)
XYZ	xyz(0.8257, 0.6050, 3.4407)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010F35 #352701

analogous

#012935 #010F35 #0D0135

triadic

#010F35 #35010F #0F3501

tetradic

#010F35 #350129 #352701 #01350D

square

#010F35 #350129 #352701 #01350D

split-complementary

#010F35 #350D01 #293501

monochromatic

#01091E #01091E #010F35 #022071 #0331AD

Accessibility & contrast

On white

18.73

#010F35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#010F35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010F35

18.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010F35	#FFFFFF	#000000	##FFFFFF
##010F35	1.00	18.73	1.12	18.73
#FFFFFF	18.73	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001536

Deuteranopia (green-blind)

#001034

Tritanopia (blue-blind)

#001920

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #010f35;
/* rgb */ color: rgb(1, 15, 53);
/* oklch */ color: oklch(18.6% 0.078 261.9);

Tailwind

colors: {
  custom: {
    50: '#4b4d6d',
    500: '#010f35',
    950: '#000000',
  },
}

SCSS

$custom: #010f35;
$custom-light: #4b4d6d;
$custom-dark: #000000;

JSON

{
  "hex": "#010f35",
  "rgb": {
    "r": 1,
    "g": 15,
    "b": 53
  },
  "hsl": {
    "h": 223.846,
    "s": 96.296,
    "l": 10.588
  },
  "oklch": {
    "l": 0.18644,
    "c": 0.07839,
    "h": 261.9
  },
  "luminance": 0.00605
}

Semantic roles & 50–950 ramp

primary

#010F35

secondary

#7A6018

accent

#C529FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010107

muted

#77777A

Preview Lab

Preview with #010F35

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

Preview Lab → · Contrast checker → · Palette generator →