#1D536F#1D536F

#1D536F is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.0% C 0.073 H 235.0°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#1D536F
RGB	rgb(29, 83, 111)
HSL	hsl(200, 59%, 27%)
HSV	hsv(200, 74%, 44%)
CMYK	cmyk(73.9%, 25.2%, 0%, 56.5%)
CIE-LAB	lab(33.12, -7.61, -21.20)
CIE-LCH	lch(33.12, 22.52, 250.26°)
OKLab	oklab(42.01% -0.0417 -0.0596)
OKLCH	oklch(42.01% 0.073 235)
XYZ	xyz(6.4681, 7.5947, 16.1609)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D536F #6F391D

analogous

#1D6F62 #1D536F #1D2A6F

triadic

#1D536F #6F1D53 #536F1D

tetradic

#1D536F #621D6F #6F391D #2A6F1D

square

#1D536F #621D6F #6F391D #2A6F1D

split-complementary

#1D536F #6F1D2A #6F621D

monochromatic

#061218 #102F3E #1D536F #2A77A0 #3B9ACC

Accessibility & contrast

On white

8.34

#1D536F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1D536F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D536F

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D536F	#FFFFFF	#000000	##FFFFFF
##1D536F	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455270

Deuteranopia (green-blind)

#3A4A6F

Tritanopia (blue-blind)

#005A5C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d536f;
/* rgb */ color: rgb(29, 83, 111);
/* oklch */ color: oklch(42.0% 0.073 235.0);

Tailwind

colors: {
  custom: {
    50: '#658398',
    500: '#1d536f',
    950: '#000000',
  },
}

SCSS

$custom: #1d536f;
$custom-light: #658398;
$custom-dark: #000000;

JSON

{
  "hex": "#1d536f",
  "rgb": {
    "r": 29,
    "g": 83,
    "b": 111
  },
  "hsl": {
    "h": 200.488,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.42007,
    "c": 0.07273,
    "h": 235
  },
  "luminance": 0.07595
}

Semantic roles & 50–950 ramp

primary

#1D536F

secondary

#A36544

accent

#7B46E2

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1D536F

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

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