#1D536D#1D536D

#1D536D is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 41.9% C 0.071 H 233.0°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#1D536D
RGB	rgb(29, 83, 109)
HSL	hsl(200, 58%, 27%)
HSV	hsv(200, 73%, 43%)
CMYK	cmyk(73.4%, 23.9%, 0%, 57.3%)
CIE-LAB	lab(33.03, -8.35, -20.09)
CIE-LCH	lch(33.03, 21.76, 247.42°)
OKLab	oklab(41.9% -0.0424 -0.0564)
OKLCH	oklch(41.9% 0.071 233)
XYZ	xyz(6.3592, 7.5511, 15.5874)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D536D #6D371D

analogous

#1D6D5F #1D536D #1D2B6D

triadic

#1D536D #6D1D53 #536D1D

tetradic

#1D536D #5F1D6D #6D371D #2B6D1D

square

#1D536D #5F1D6D #6D371D #2B6D1D

split-complementary

#1D536D #6D1D2B #6D5F1D

monochromatic

#061218 #102E3D #1D536D #2A789D #3A9CCB

Accessibility & contrast

On white

8.37

#1D536D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1D536D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D536D

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D536D	#FFFFFF	#000000	##FFFFFF
##1D536D	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46526E

Deuteranopia (green-blind)

#3B4A6D

Tritanopia (blue-blind)

#005A5C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d536d;
/* rgb */ color: rgb(29, 83, 109);
/* oklch */ color: oklch(41.9% 0.071 233.0);

Tailwind

colors: {
  custom: {
    50: '#648397',
    500: '#1d536d',
    950: '#000000',
  },
}

SCSS

$custom: #1d536d;
$custom-light: #648397;
$custom-dark: #000000;

JSON

{
  "hex": "#1d536d",
  "rgb": {
    "r": 29,
    "g": 83,
    "b": 109
  },
  "hsl": {
    "h": 199.5,
    "s": 57.971,
    "l": 27.059
  },
  "oklch": {
    "l": 0.41901,
    "c": 0.07061,
    "h": 233
  },
  "luminance": 0.07552
}

Semantic roles & 50–950 ramp

primary

#1D536D

secondary

#A26344

accent

#7947E1

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1D536D

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

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