#1D5B84#1D5B84

#1D5B84 is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.2% C 0.091 H 242.1°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#1D5B84
RGB	rgb(29, 91, 132)
HSL	hsl(204, 64%, 32%)
HSV	hsv(204, 78%, 52%)
CMYK	cmyk(78%, 31.1%, 0%, 48.2%)
CIE-LAB	lab(36.76, -4.60, -28.49)
CIE-LCH	lch(36.76, 28.86, 260.84°)
OKLab	oklab(45.23% -0.0426 -0.0807)
OKLCH	oklch(45.23% 0.091 242.1)
XYZ	xyz(8.4110, 9.4083, 23.1980)
Luminance	0.0941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5B84 #84461D

analogous

#1D847A #1D5B84 #1D2884

triadic

#1D5B84 #841D5B #5B841D

tetradic

#1D5B84 #7A1D84 #84461D #28841D

square

#1D5B84 #7A1D84 #84461D #28841D

split-complementary

#1D5B84 #841D28 #847A1D

monochromatic

#071620 #123852 #1D5B84 #287EB6 #459CD6

Accessibility & contrast

On white

7.29

#1D5B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#1D5B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5B84

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5B84	#FFFFFF	#000000	##FFFFFF
##1D5B84	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485C86

Deuteranopia (green-blind)

#3A5283

Tritanopia (blue-blind)

#006569

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1d5b84;
/* rgb */ color: rgb(29, 91, 132);
/* oklch */ color: oklch(45.2% 0.091 242.1);

Tailwind

colors: {
  custom: {
    50: '#6989a8',
    500: '#1d5b84',
    950: '#000000',
  },
}

SCSS

$custom: #1d5b84;
$custom-light: #6989a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5b84",
  "rgb": {
    "r": 29,
    "g": 91,
    "b": 132
  },
  "hsl": {
    "h": 203.883,
    "s": 63.975,
    "l": 31.569
  },
  "oklch": {
    "l": 0.45233,
    "c": 0.09125,
    "h": 242.1
  },
  "luminance": 0.09409
}

Semantic roles & 50–950 ramp

primary

#1D5B84

secondary

#B77346

accent

#8341E7

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1D5B84

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

Preview Lab → · Contrast checker → · Palette generator →