#1D5573#1D5573

#1D5573 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 42.7% C 0.076 H 236.1°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#1D5573
RGB	rgb(29, 85, 115)
HSL	hsl(201, 60%, 28%)
HSV	hsv(201, 75%, 45%)
CMYK	cmyk(74.8%, 26.1%, 0%, 54.9%)
CIE-LAB	lab(33.97, -7.34, -22.37)
CIE-LCH	lch(33.97, 23.54, 251.83°)
OKLab	oklab(42.75% -0.0424 -0.063)
OKLCH	oklch(42.75% 0.076 236.1)
XYZ	xyz(6.8485, 7.9952, 17.3986)
Luminance	0.0800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5573 #733B1D

analogous

#1D7366 #1D5573 #1D2A73

triadic

#1D5573 #731D55 #55731D

tetradic

#1D5573 #661D73 #733B1D #2A731D

square

#1D5573 #661D73 #733B1D #2A731D

split-complementary

#1D5573 #731D2A #73661D

monochromatic

#061218 #113142 #1D5573 #2979A4 #3C9BCE

Accessibility & contrast

On white

8.08

#1D5573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#1D5573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5573

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5573	#FFFFFF	#000000	##FFFFFF
##1D5573	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475574

Deuteranopia (green-blind)

#3B4C73

Tritanopia (blue-blind)

#005D5F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d5573;
/* rgb */ color: rgb(29, 85, 115);
/* oklch */ color: oklch(42.7% 0.076 236.1);

Tailwind

colors: {
  custom: {
    50: '#66849b',
    500: '#1d5573',
    950: '#000000',
  },
}

SCSS

$custom: #1d5573;
$custom-light: #66849b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5573",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 115
  },
  "hsl": {
    "h": 200.93,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.42745,
    "c": 0.0759,
    "h": 236.1
  },
  "luminance": 0.07996
}

Semantic roles & 50–950 ramp

primary

#1D5573

secondary

#A76745

accent

#7C45E3

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #1D5573

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

Preview Lab → · Contrast checker → · Palette generator →