#1D536C#1D536C

#1D536C is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 41.8% C 0.070 H 232.0°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#1D536C
RGB	rgb(29, 83, 108)
HSL	hsl(199, 58%, 27%)
HSV	hsv(199, 73%, 42%)
CMYK	cmyk(73.1%, 23.1%, 0%, 57.6%)
CIE-LAB	lab(32.98, -8.72, -19.54)
CIE-LCH	lch(32.98, 21.40, 245.93°)
OKLab	oklab(41.85% -0.0428 -0.0548)
OKLCH	oklch(41.85% 0.07 232)
XYZ	xyz(6.3057, 7.5297, 15.3055)
Luminance	0.0753 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D536C #6C361D

analogous

#1D6C5E #1D536C #1D2C6C

triadic

#1D536C #6C1D53 #536C1D

tetradic

#1D536C #5E1D6C #6C361D #2C6C1D

square

#1D536C #5E1D6C #6C361D #2C6C1D

split-complementary

#1D536C #6C1D2C #6C5E1D

monochromatic

#061318 #102E3C #1D536C #2A789C #399CCA

Accessibility & contrast

On white

8.38

#1D536C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1D536C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D536C

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D536C	#FFFFFF	#000000	##FFFFFF
##1D536C	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47526D

Deuteranopia (green-blind)

#3C4A6C

Tritanopia (blue-blind)

#005A5B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d536c;
/* rgb */ color: rgb(29, 83, 108);
/* oklch */ color: oklch(41.8% 0.070 232.0);

Tailwind

colors: {
  custom: {
    50: '#648396',
    500: '#1d536c',
    950: '#000000',
  },
}

SCSS

$custom: #1d536c;
$custom-light: #648396;
$custom-dark: #000000;

JSON

{
  "hex": "#1d536c",
  "rgb": {
    "r": 29,
    "g": 83,
    "b": 108
  },
  "hsl": {
    "h": 198.987,
    "s": 57.664,
    "l": 26.863
  },
  "oklch": {
    "l": 0.41849,
    "c": 0.06958,
    "h": 232
  },
  "luminance": 0.0753
}

Semantic roles & 50–950 ramp

primary

#1D536C

secondary

#A16144

accent

#7847E1

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1D536C

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

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