#1D587C#1D587C

#1D587C is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.0% C 0.084 H 239.8°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#1D587C
RGB	rgb(29, 88, 124)
HSL	hsl(203, 62%, 30%)
HSV	hsv(203, 77%, 49%)
CMYK	cmyk(76.6%, 29%, 0%, 51.4%)
CIE-LAB	lab(35.39, -5.79, -25.73)
CIE-LCH	lch(35.39, 26.37, 257.32°)
OKLab	oklab(44.02% -0.0423 -0.0727)
OKLCH	oklch(44.02% 0.084 239.8)
XYZ	xyz(7.6331, 8.6950, 20.3409)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D587C #7C411D

analogous

#1D7C71 #1D587C #1D287C

triadic

#1D587C #7C1D58 #587C1D

tetradic

#1D587C #711D7C #7C411D #287C1D

square

#1D587C #711D7C #7C411D #287C1D

split-complementary

#1D587C #7C1D28 #7C711D

monochromatic

#061219 #11354A #1D587C #297BAE #419BD3

Accessibility & contrast

On white

7.67

#1D587C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#1D587C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D587C

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D587C	#FFFFFF	#000000	##FFFFFF
##1D587C	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47587E

Deuteranopia (green-blind)

#3A4F7B

Tritanopia (blue-blind)

#006164

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d587c;
/* rgb */ color: rgb(29, 88, 124);
/* oklch */ color: oklch(44.0% 0.084 239.8);

Tailwind

colors: {
  custom: {
    50: '#6787a2',
    500: '#1d587c',
    950: '#000000',
  },
}

SCSS

$custom: #1d587c;
$custom-light: #6787a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d587c",
  "rgb": {
    "r": 29,
    "g": 88,
    "b": 124
  },
  "hsl": {
    "h": 202.737,
    "s": 62.092,
    "l": 30
  },
  "oklch": {
    "l": 0.44016,
    "c": 0.08409,
    "h": 239.8
  },
  "luminance": 0.08696
}

Semantic roles & 50–950 ramp

primary

#1D587C

secondary

#B06E45

accent

#8043E5

background

#F6F8FA

surface

#EBEFF3

border

#C6CACD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1D587C

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

Preview Lab → · Contrast checker → · Palette generator →