#1D5C8A#1D5C8A

#1D5C8A is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 45.8% C 0.098 H 244.8°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#1D5C8A
RGB	rgb(29, 92, 138)
HSL	hsl(205, 65%, 33%)
HSV	hsv(205, 79%, 54%)
CMYK	cmyk(79%, 33.3%, 0%, 45.9%)
CIE-LAB	lab(37.39, -2.91, -31.15)
CIE-LCH	lch(37.39, 31.29, 264.66°)
OKLab	oklab(45.83% -0.0417 -0.0884)
OKLCH	oklch(45.83% 0.098 244.8)
XYZ	xyz(8.9195, 9.7494, 25.4516)
Luminance	0.0975 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5C8A #8A4B1D

analogous

#1D8A81 #1D5C8A #1D268A

triadic

#1D5C8A #8A1D5C #5C8A1D

tetradic

#1D5C8A #811D8A #8A4B1D #268A1D

square

#1D5C8A #811D8A #8A4B1D #268A1D

split-complementary

#1D5C8A #8A1D26 #8A811D

monochromatic

#081925 #123A57 #1D5C8A #287EBD #499CD9

Accessibility & contrast

On white

7.12

#1D5C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#1D5C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5C8A

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5C8A	#FFFFFF	#000000	##FFFFFF
##1D5C8A	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475E8C

Deuteranopia (green-blind)

#375389

Tritanopia (blue-blind)

#00676C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1d5c8a;
/* rgb */ color: rgb(29, 92, 138);
/* oklch */ color: oklch(45.8% 0.098 244.8);

Tailwind

colors: {
  custom: {
    50: '#6a89ac',
    500: '#1d5c8a',
    950: '#000000',
  },
}

SCSS

$custom: #1d5c8a;
$custom-light: #6a89ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5c8a",
  "rgb": {
    "r": 29,
    "g": 92,
    "b": 138
  },
  "hsl": {
    "h": 205.321,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.45833,
    "c": 0.09775,
    "h": 244.8
  },
  "luminance": 0.0975
}

Semantic roles & 50–950 ramp

primary

#1D5C8A

secondary

#BB7848

accent

#8740E8

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1D5C8A

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

Preview Lab → · Contrast checker → · Palette generator →