#1D5587#1D5587

#1D5587 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.9% C 0.101 H 249.2°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#1D5587
RGB	rgb(29, 85, 135)
HSL	hsl(208, 65%, 32%)
HSV	hsv(208, 79%, 53%)
CMYK	cmyk(78.5%, 37%, 0%, 47.1%)
CIE-LAB	lab(35.02, 0.38, -33.07)
CIE-LCH	lch(35.02, 33.07, 270.65°)
OKLab	oklab(43.91% -0.0357 -0.0941)
OKLCH	oklch(43.91% 0.101 249.2)
XYZ	xyz(8.1267, 8.5065, 24.1306)
Luminance	0.0851 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5587 #874F1D

analogous

#1D8784 #1D5587 #1D2087

triadic

#1D5587 #871D55 #55871D

tetradic

#1D5587 #841D87 #874F1D #20871D

square

#1D5587 #841D87 #874F1D #20871D

split-complementary

#1D5587 #871D20 #87841D

monochromatic

#071622 #123555 #1D5587 #2875B9 #4793D7

Accessibility & contrast

On white

7.77

#1D5587 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1D5587 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5587

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5587	#FFFFFF	#000000	##FFFFFF
##1D5587	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5889

Deuteranopia (green-blind)

#2E4E86

Tritanopia (blue-blind)

#006167

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1d5587;
/* rgb */ color: rgb(29, 85, 135);
/* oklch */ color: oklch(43.9% 0.101 249.2);

Tailwind

colors: {
  custom: {
    50: '#6984aa',
    500: '#1d5587',
    950: '#000000',
  },
}

SCSS

$custom: #1d5587;
$custom-light: #6984aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5587",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 135
  },
  "hsl": {
    "h": 208.302,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.43912,
    "c": 0.1007,
    "h": 249.2
  },
  "luminance": 0.08507
}

Semantic roles & 50–950 ramp

primary

#1D5587

secondary

#B97D46

accent

#8F40E8

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1D5587

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

Preview Lab → · Contrast checker → · Palette generator →