#1D539C#1D539C

#1D539C is a dark, vivid cyan. Relative luminance 0.088; OKLCH L 44.9% C 0.132 H 257.3°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#1D539C
RGB	rgb(29, 83, 156)
HSL	hsl(214, 69%, 36%)
HSV	hsv(214, 81%, 61%)
CMYK	cmyk(81.4%, 46.8%, 0%, 38.8%)
CIE-LAB	lab(35.69, 10.05, -44.75)
CIE-LCH	lch(35.69, 45.86, 282.66°)
OKLab	oklab(44.85% -0.029 -0.1285)
OKLCH	oklch(44.85% 0.132 257.3)
XYZ	xyz(9.5985, 8.8469, 32.6478)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D539C #9C661D

analogous

#1D939C #1D539C #261D9C

triadic

#1D539C #9C1D53 #539C1D

tetradic

#1D539C #9C1D93 #9C661D #1D9C26

square

#1D539C #9C1D93 #9C661D #1D9C26

split-complementary

#1D539C #9C261D #939C1D

monochromatic

#0A1C35 #133868 #1D539C #276ED0 #548FDF

Accessibility & contrast

On white

7.58

#1D539C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#1D539C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D539C

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D539C	#FFFFFF	#000000	##FFFFFF
##1D539C	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5A9F

Deuteranopia (green-blind)

#0A4F9B

Tritanopia (blue-blind)

#006470

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1d539c;
/* rgb */ color: rgb(29, 83, 156);
/* oklch */ color: oklch(44.9% 0.132 257.3);

Tailwind

colors: {
  custom: {
    50: '#6e82ba',
    500: '#1d539c',
    950: '#000000',
  },
}

SCSS

$custom: #1d539c;
$custom-light: #6e82ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d539c",
  "rgb": {
    "r": 29,
    "g": 83,
    "b": 156
  },
  "hsl": {
    "h": 214.488,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.4485,
    "c": 0.13169,
    "h": 257.3
  },
  "luminance": 0.08848
}

Semantic roles & 50–950 ramp

primary

#1D539C

secondary

#C29352

accent

#A13CEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1D539C

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

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