#1D5783#1D5783

#1D5783 is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.2% C 0.094 H 245.4°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#1D5783
RGB	rgb(29, 87, 131)
HSL	hsl(206, 64%, 31%)
HSV	hsv(206, 78%, 51%)
CMYK	cmyk(77.9%, 33.6%, 0%, 48.6%)
CIE-LAB	lab(35.43, -2.47, -29.97)
CIE-LCH	lch(35.43, 30.07, 265.29°)
OKLab	oklab(44.17% -0.0389 -0.085)
OKLCH	oklch(44.17% 0.094 245.4)
XYZ	xyz(8.0100, 8.7154, 22.7284)
Luminance	0.0872 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5783 #83491D

analogous

#1D837C #1D5783 #1D2483

triadic

#1D5783 #831D57 #57831D

tetradic

#1D5783 #7C1D83 #83491D #24831D

square

#1D5783 #7C1D83 #83491D #24831D

split-complementary

#1D5783 #831D24 #837C1D

monochromatic

#07141F #123651 #1D5783 #2878B5 #4597D6

Accessibility & contrast

On white

7.66

#1D5783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#1D5783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5783

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5783	#FFFFFF	#000000	##FFFFFF
##1D5783	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435985

Deuteranopia (green-blind)

#344F82

Tritanopia (blue-blind)

#006267

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d5783;
/* rgb */ color: rgb(29, 87, 131);
/* oklch */ color: oklch(44.2% 0.094 245.4);

Tailwind

colors: {
  custom: {
    50: '#6986a7',
    500: '#1d5783',
    950: '#000000',
  },
}

SCSS

$custom: #1d5783;
$custom-light: #6986a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5783",
  "rgb": {
    "r": 29,
    "g": 87,
    "b": 131
  },
  "hsl": {
    "h": 205.882,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.44166,
    "c": 0.09352,
    "h": 245.4
  },
  "luminance": 0.08716
}

Semantic roles & 50–950 ramp

primary

#1D5783

secondary

#B67646

accent

#8941E7

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1D5783

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

Preview Lab → · Contrast checker → · Palette generator →