#1D5589#1D5589

#1D5589 is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.0% C 0.103 H 250.1°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#1D5589
RGB	rgb(29, 85, 137)
HSL	hsl(209, 65%, 33%)
HSV	hsv(209, 79%, 54%)
CMYK	cmyk(78.8%, 38%, 0%, 46.3%)
CIE-LAB	lab(35.13, 1.16, -34.12)
CIE-LCH	lch(35.13, 34.14, 271.95°)
OKLab	oklab(44.04% -0.0352 -0.0972)
OKLCH	oklch(44.04% 0.103 250.1)
XYZ	xyz(8.2688, 8.5634, 24.8792)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5589 #89511D

analogous

#1D8987 #1D5589 #1D1F89

triadic

#1D5589 #891D55 #55891D

tetradic

#1D5589 #871D89 #89511D #1F891D

square

#1D5589 #871D89 #89511D #1F891D

split-complementary

#1D5589 #891D1F #89871D

monochromatic

#081624 #123656 #1D5589 #2874BC #4893D8

Accessibility & contrast

On white

7.74

#1D5589 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#1D5589 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5589

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5589	#FFFFFF	#000000	##FFFFFF
##1D5589	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D588B

Deuteranopia (green-blind)

#2C4E88

Tritanopia (blue-blind)

#006168

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d5589;
/* rgb */ color: rgb(29, 85, 137);
/* oklch */ color: oklch(44.0% 0.103 250.1);

Tailwind

colors: {
  custom: {
    50: '#6a84ac',
    500: '#1d5589',
    950: '#000000',
  },
}

SCSS

$custom: #1d5589;
$custom-light: #6a84ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5589",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 137
  },
  "hsl": {
    "h": 208.889,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.44038,
    "c": 0.10337,
    "h": 250.1
  },
  "luminance": 0.08564
}

Semantic roles & 50–950 ramp

primary

#1D5589

secondary

#BA7F47

accent

#9140E8

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1D5589

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

Preview Lab → · Contrast checker → · Palette generator →