#041FAB#041FAB

#041FAB is a dark, highly saturated blue. Relative luminance 0.039; OKLCH L 36.1% C 0.215 H 264.7°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#041FAB
RGB	rgb(4, 31, 171)
HSL	hsl(230, 95%, 34%)
HSV	hsv(230, 98%, 67%)
CMYK	cmyk(97.7%, 81.9%, 0%, 32.9%)
CIE-LAB	lab(23.49, 47.89, -73.79)
CIE-LCH	lch(23.49, 87.97, 302.98°)
OKLab	oklab(36.06% -0.02 -0.2139)
OKLCH	oklch(36.06% 0.215 264.7)
XYZ	xyz(7.8882, 3.9450, 38.8659)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#041FAB #AB9004

analogous

#0473AB #041FAB #3C04AB

triadic

#041FAB #AB041F #1FAB04

tetradic

#041FAB #AB0473 #AB9004 #04AB3C

square

#041FAB #AB0473 #AB9004 #04AB3C

split-complementary

#041FAB #AB3C04 #73AB04

monochromatic

#010933 #03146F #041FAB #052AE7 #2F50FA

Accessibility & contrast

On white

11.74

#041FAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#041FAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #041FAB

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##041FAB	#FFFFFF	#000000	##FFFFFF
##041FAB	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AF

Deuteranopia (green-blind)

#002FA9

Tritanopia (blue-blind)

#004C66

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #041fab;
/* rgb */ color: rgb(4, 31, 171);
/* oklch */ color: oklch(36.1% 0.215 264.7);

Tailwind

colors: {
  custom: {
    50: '#725ec6',
    500: '#041fab',
    950: '#000000',
  },
}

SCSS

$custom: #041fab;
$custom-light: #725ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#041fab",
  "rgb": {
    "r": 4,
    "g": 31,
    "b": 171
  },
  "hsl": {
    "h": 230.299,
    "s": 95.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36061,
    "c": 0.21485,
    "h": 264.7
  },
  "luminance": 0.03946
}

Semantic roles & 50–950 ramp

primary

#041FAB

secondary

#D7BC34

accent

#DC29FF

background

#F7F5FC

surface

#EEE9F8

border

#C9C5D1

text

#0A0413

muted

#7C7982

Preview Lab

Preview with #041FAB

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

Preview Lab → · Contrast checker → · Palette generator →