#1D539A#1D539A

#1D539A is a dark, vivid cyan. Relative luminance 0.088; OKLCH L 44.7% C 0.129 H 256.8°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#1D539A
RGB	rgb(29, 83, 154)
HSL	hsl(214, 68%, 36%)
HSV	hsv(214, 81%, 60%)
CMYK	cmyk(81.2%, 46.1%, 0%, 39.6%)
CIE-LAB	lab(35.56, 9.25, -43.75)
CIE-LCH	lch(35.56, 44.72, 281.93°)
OKLab	oklab(44.71% -0.0294 -0.1255)
OKLCH	oklch(44.71% 0.129 256.8)
XYZ	xyz(9.4305, 8.7797, 31.7632)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D539A #9A641D

analogous

#1D919A #1D539A #251D9A

triadic

#1D539A #9A1D53 #539A1D

tetradic

#1D539A #9A1D91 #9A641D #1D9A25

square

#1D539A #9A1D91 #9A641D #1D9A25

split-complementary

#1D539A #9A251D #919A1D

monochromatic

#0A1B33 #133766 #1D539A #276FCE #538FDF

Accessibility & contrast

On white

7.62

#1D539A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#1D539A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D539A

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D539A	#FFFFFF	#000000	##FFFFFF
##1D539A	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5A9D

Deuteranopia (green-blind)

#104E99

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1d539a;
/* rgb */ color: rgb(29, 83, 154);
/* oklch */ color: oklch(44.7% 0.129 256.8);

Tailwind

colors: {
  custom: {
    50: '#6e82b8',
    500: '#1d539a',
    950: '#000000',
  },
}

SCSS

$custom: #1d539a;
$custom-light: #6e82b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d539a",
  "rgb": {
    "r": 29,
    "g": 83,
    "b": 154
  },
  "hsl": {
    "h": 214.08,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.44707,
    "c": 0.12893,
    "h": 256.8
  },
  "luminance": 0.08781
}

Semantic roles & 50–950 ramp

primary

#1D539A

secondary

#C29151

accent

#A03DEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1D539A

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

Preview Lab → · Contrast checker → · Palette generator →