#010C34#010C34

#010C34 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.8% C 0.081 H 263.3°. Best body text is #FFFFFF at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#010C34
RGB	rgb(1, 12, 52)
HSL	hsl(227, 96%, 10%)
HSV	hsv(227, 98%, 20%)
CMYK	cmyk(98.1%, 76.9%, 0%, 79.6%)
CIE-LAB	lab(4.67, 11.14, -26.76)
CIE-LCH	lch(4.67, 28.99, 292.60°)
OKLab	oklab(17.81% -0.0095 -0.0807)
OKLCH	oklch(17.81% 0.081 263.3)
XYZ	xyz(0.7636, 0.5172, 3.3077)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.16

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010C34 #342901

analogous

#012534 #010C34 #0F0134

triadic

#010C34 #34010C #0C3401

tetradic

#010C34 #340125 #342901 #01340F

square

#010C34 #340125 #342901 #01340F

split-complementary

#010C34 #340F01 #253401

monochromatic

#01071E #01071E #010C34 #021A70 #0328AC

Accessibility & contrast

On white

19.03

#010C34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#010C34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010C34

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010C34	#FFFFFF	#000000	##FFFFFF
##010C34	1.00	19.03	1.10	19.03
#FFFFFF	19.03	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001335

Deuteranopia (green-blind)

#000D33

Tritanopia (blue-blind)

#00171E

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #010c34;
/* rgb */ color: rgb(1, 12, 52);
/* oklch */ color: oklch(17.8% 0.081 263.3);

Tailwind

colors: {
  custom: {
    50: '#4b4c6c',
    500: '#010c34',
    950: '#000000',
  },
}

SCSS

$custom: #010c34;
$custom-light: #4b4c6c;
$custom-dark: #000000;

JSON

{
  "hex": "#010c34",
  "rgb": {
    "r": 1,
    "g": 12,
    "b": 52
  },
  "hsl": {
    "h": 227.059,
    "s": 96.226,
    "l": 10.392
  },
  "oklch": {
    "l": 0.17809,
    "c": 0.08123,
    "h": 263.3
  },
  "luminance": 0.00517
}

Semantic roles & 50–950 ramp

primary

#010C34

secondary

#796418

accent

#D129FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010107

muted

#77777A

Preview Lab

Preview with #010C34

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

Preview Lab → · Contrast checker → · Palette generator →