#040127#040127

#040127 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 13.4% C 0.079 H 274.7°. Best body text is #FFFFFF at 20.22:1 contrast (WCAG AA passes).

Color values

HEX	#040127
RGB	rgb(4, 1, 39)
HSL	hsl(245, 95%, 8%)
HSV	hsv(245, 97%, 15%)
CMYK	cmyk(89.7%, 97.4%, 0%, 84.7%)
CIE-LAB	lab(1.75, 9.94, -21.58)
CIE-LCH	lch(1.75, 23.75, 294.73°)
OKLab	oklab(13.39% 0.0065 -0.0787)
OKLCH	oklch(13.39% 0.079 274.7)
XYZ	xyz(0.4270, 0.1940, 1.9340)
Luminance	0.0019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040127 #242701

analogous

#011127 #040127 #170127

triadic

#040127 #270401 #012704

tetradic

#040127 #270111 #242701 #012717

square

#040127 #270111 #242701 #012717

split-complementary

#040127 #271701 #112701

monochromatic

#03011E #03011E #040127 #0A0363 #10049E

Accessibility & contrast

On white

20.22

#040127 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#040127 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040127

20.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040127	#FFFFFF	#000000	##FFFFFF
##040127	1.00	20.22	1.04	20.22
#FFFFFF	20.22	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000828

Deuteranopia (green-blind)

#000526

Tritanopia (blue-blind)

#000A13

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #040127;
/* rgb */ color: rgb(4, 1, 39);
/* oklch */ color: oklch(13.4% 0.079 274.7);

Tailwind

colors: {
  custom: {
    50: '#484761',
    500: '#040127',
    950: '#000000',
  },
}

SCSS

$custom: #040127;
$custom-light: #484761;
$custom-dark: #000000;

JSON

{
  "hex": "#040127",
  "rgb": {
    "r": 4,
    "g": 1,
    "b": 39
  },
  "hsl": {
    "h": 244.737,
    "s": 95,
    "l": 7.843
  },
  "oklch": {
    "l": 0.13392,
    "c": 0.07897,
    "h": 274.7
  },
  "luminance": 0.00194
}

Semantic roles & 50–950 ramp

primary

#040127

secondary

#676E16

accent

#FF29EE

background

#F4F3F5

surface

#E7E5EA

border

#C3C1C6

text

#010005

muted

#777779

Preview Lab

Preview with #040127

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

Preview Lab → · Contrast checker → · Palette generator →