#1D5A82#1D5A82

#1D5A82 is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 44.9% C 0.090 H 241.9°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#1D5A82
RGB	rgb(29, 90, 130)
HSL	hsl(204, 64%, 31%)
HSV	hsv(204, 78%, 51%)
CMYK	cmyk(77.7%, 30.8%, 0%, 49%)
CIE-LAB	lab(36.34, -4.74, -27.93)
CIE-LCH	lch(36.34, 28.33, 260.37°)
OKLab	oklab(44.87% -0.0423 -0.079)
OKLCH	oklch(44.87% 0.09 241.9)
XYZ	xyz(8.1906, 9.1843, 22.4558)
Luminance	0.0919 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5A82 #82451D

analogous

#1D8277 #1D5A82 #1D2882

triadic

#1D5A82 #821D5A #5A821D

tetradic

#1D5A82 #771D82 #82451D #28821D

square

#1D5A82 #771D82 #82451D #28821D

split-complementary

#1D5A82 #821D28 #82771D

monochromatic

#07151E #123750 #1D5A82 #287DB4 #449CD5

Accessibility & contrast

On white

7.40

#1D5A82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#1D5A82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5A82

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5A82	#FFFFFF	#000000	##FFFFFF
##1D5A82	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475B84

Deuteranopia (green-blind)

#3A5181

Tritanopia (blue-blind)

#006468

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1d5a82;
/* rgb */ color: rgb(29, 90, 130);
/* oklch */ color: oklch(44.9% 0.090 241.9);

Tailwind

colors: {
  custom: {
    50: '#6988a6',
    500: '#1d5a82',
    950: '#000000',
  },
}

SCSS

$custom: #1d5a82;
$custom-light: #6988a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5a82",
  "rgb": {
    "r": 29,
    "g": 90,
    "b": 130
  },
  "hsl": {
    "h": 203.762,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.44865,
    "c": 0.08965,
    "h": 241.9
  },
  "luminance": 0.09185
}

Semantic roles & 50–950 ramp

primary

#1D5A82

secondary

#B57246

accent

#8341E7

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1D5A82

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

Preview Lab → · Contrast checker → · Palette generator →