#1D5377#1D5377

#1D5377 is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.4% C 0.082 H 241.8°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#1D5377
RGB	rgb(29, 83, 119)
HSL	hsl(204, 61%, 29%)
HSV	hsv(204, 76%, 47%)
CMYK	cmyk(75.6%, 30.3%, 0%, 53.3%)
CIE-LAB	lab(33.52, -4.57, -25.57)
CIE-LCH	lch(33.52, 25.97, 259.86°)
OKLab	oklab(42.45% -0.0388 -0.0723)
OKLCH	oklch(42.45% 0.082 241.8)
XYZ	xyz(6.9284, 7.7788, 18.5855)
Luminance	0.0778 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5377 #77411D

analogous

#1D776E #1D5377 #1D2677

triadic

#1D5377 #771D53 #53771D

tetradic

#1D5377 #6E1D77 #77411D #26771D

square

#1D5377 #6E1D77 #77411D #26771D

split-complementary

#1D5377 #771D26 #776E1D

monochromatic

#061119 #113146 #1D5377 #2975A8 #3E96D0

Accessibility & contrast

On white

8.22

#1D5377 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1D5377 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5377

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5377	#FFFFFF	#000000	##FFFFFF
##1D5377	1.00	8.22	2.56	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425479

Deuteranopia (green-blind)

#364B76

Tritanopia (blue-blind)

#005C60

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1d5377;
/* rgb */ color: rgb(29, 83, 119);
/* oklch */ color: oklch(42.4% 0.082 241.8);

Tailwind

colors: {
  custom: {
    50: '#66839e',
    500: '#1d5377',
    950: '#000000',
  },
}

SCSS

$custom: #1d5377;
$custom-light: #66839e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5377",
  "rgb": {
    "r": 29,
    "g": 83,
    "b": 119
  },
  "hsl": {
    "h": 204,
    "s": 60.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.4245,
    "c": 0.08201,
    "h": 241.8
  },
  "luminance": 0.0778
}

Semantic roles & 50–950 ramp

primary

#1D5377

secondary

#AB6E45

accent

#8444E4

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1D5377

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

Preview Lab → · Contrast checker → · Palette generator →