#043B85#043B85

#043B85 is a dark, vivid cyan. Relative luminance 0.048; OKLCH L 37.0% C 0.135 H 258.6°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#043B85
RGB	rgb(4, 59, 133)
HSL	hsl(214, 94%, 27%)
HSV	hsv(214, 97%, 52%)
CMYK	cmyk(97%, 55.6%, 0%, 47.8%)
CIE-LAB	lab(26.29, 15.07, -45.87)
CIE-LCH	lch(26.29, 48.28, 288.19°)
OKLab	oklab(36.95% -0.0268 -0.1326)
OKLCH	oklch(36.95% 0.135 258.6)
XYZ	xyz(5.8461, 4.8464, 22.8131)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043B85 #854E04

analogous

#047C85 #043B85 #0E0485

triadic

#043B85 #85043B #3B8504

tetradic

#043B85 #85047C #854E04 #04850E

square

#043B85 #85047C #854E04 #04850E

split-complementary

#043B85 #850E04 #7C8504

monochromatic

#010D1E #02214A #043B85 #0655C0 #0C70F8

Accessibility & contrast

On white

10.66

#043B85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#043B85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043B85

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043B85	#FFFFFF	#000000	##FFFFFF
##043B85	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004488

Deuteranopia (green-blind)

#003984

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #043b85;
/* rgb */ color: rgb(4, 59, 133);
/* oklch */ color: oklch(37.0% 0.135 258.6);

Tailwind

colors: {
  custom: {
    50: '#6470a9',
    500: '#043b85',
    950: '#000000',
  },
}

SCSS

$custom: #043b85;
$custom-light: #6470a9;
$custom-dark: #000000;

JSON

{
  "hex": "#043b85",
  "rgb": {
    "r": 4,
    "g": 59,
    "b": 133
  },
  "hsl": {
    "h": 214.419,
    "s": 94.161,
    "l": 26.863
  },
  "oklch": {
    "l": 0.3695,
    "c": 0.13525,
    "h": 258.6
  },
  "luminance": 0.04847
}

Semantic roles & 50–950 ramp

primary

#043B85

secondary

#BE7E27

accent

#A429FF

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #043B85

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

Preview Lab → · Contrast checker → · Palette generator →