#040130#040130

#040130 is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 14.8% C 0.091 H 271.8°. Best body text is #FFFFFF at 19.96:1 contrast (WCAG AA passes).

Color values

HEX	#040130
RGB	rgb(4, 1, 48)
HSL	hsl(244, 96%, 10%)
HSV	hsv(244, 98%, 19%)
CMYK	cmyk(91.7%, 97.9%, 0%, 81.2%)
CIE-LAB	lab(2.36, 14.18, -27.49)
CIE-LCH	lch(2.36, 30.93, 297.29°)
OKLab	oklab(14.83% 0.0029 -0.0913)
OKLCH	oklch(14.83% 0.091 271.8)
XYZ	xyz(0.5942, 0.2609, 2.8148)
Luminance	0.0026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040130 #2D3001

analogous

#011630 #040130 #1C0130

triadic

#040130 #300401 #013004

tetradic

#040130 #300116 #2D3001 #01301C

square

#040130 #300116 #2D3001 #01301C

split-complementary

#040130 #301C01 #163001

monochromatic

#02011E #02011E #040130 #09026C #0E03A8

Accessibility & contrast

On white

19.96

#040130 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#040130 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040130

19.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040130	#FFFFFF	#000000	##FFFFFF
##040130	1.00	19.96	1.05	19.96
#FFFFFF	19.96	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	19.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000B31

Deuteranopia (green-blind)

#00062F

Tritanopia (blue-blind)

#000E18

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #040130;
/* rgb */ color: rgb(4, 1, 48);
/* oklch */ color: oklch(14.8% 0.091 271.8);

Tailwind

colors: {
  custom: {
    50: '#4a4769',
    500: '#040130',
    950: '#000000',
  },
}

SCSS

$custom: #040130;
$custom-light: #4a4769;
$custom-dark: #000000;

JSON

{
  "hex": "#040130",
  "rgb": {
    "r": 4,
    "g": 1,
    "b": 48
  },
  "hsl": {
    "h": 243.83,
    "s": 95.918,
    "l": 9.608
  },
  "oklch": {
    "l": 0.14828,
    "c": 0.09137,
    "h": 271.8
  },
  "luminance": 0.00261
}

Semantic roles & 50–950 ramp

primary

#040130

secondary

#707617

accent

#FF29F1

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#010006

muted

#77777A

Preview Lab

Preview with #040130

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

Preview Lab → · Contrast checker → · Palette generator →