#1D5590#1D5590

#1D5590 is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.5% C 0.113 H 252.8°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#1D5590
RGB	rgb(29, 85, 144)
HSL	hsl(211, 66%, 34%)
HSV	hsv(211, 80%, 56%)
CMYK	cmyk(79.9%, 41%, 0%, 43.5%)
CIE-LAB	lab(35.54, 3.94, -37.73)
CIE-LCH	lch(35.54, 37.93, 275.95°)
OKLab	oklab(44.49% -0.0333 -0.1078)
OKLCH	oklch(44.49% 0.113 252.8)
XYZ	xyz(8.7873, 8.7708, 27.6100)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5590 #90581D

analogous

#1D8F90 #1D5590 #1F1D90

triadic

#1D5590 #901D55 #55901D

tetradic

#1D5590 #901D8F #90581D #1D901F

square

#1D5590 #901D8F #90581D #1D901F

split-complementary

#1D5590 #901F1D #8F901D

monochromatic

#08192A #13375D #1D5590 #2773C3 #4C92DB

Accessibility & contrast

On white

7.62

#1D5590 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#1D5590 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5590

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5590	#FFFFFF	#000000	##FFFFFF
##1D5590	1.00	7.62	2.75	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395992

Deuteranopia (green-blind)

#264F8F

Tritanopia (blue-blind)

#00636B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1d5590;
/* rgb */ color: rgb(29, 85, 144);
/* oklch */ color: oklch(44.5% 0.113 252.8);

Tailwind

colors: {
  custom: {
    50: '#6b84b1',
    500: '#1d5590',
    950: '#000000',
  },
}

SCSS

$custom: #1d5590;
$custom-light: #6b84b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5590",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 144
  },
  "hsl": {
    "h": 210.783,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.44491,
    "c": 0.11283,
    "h": 252.8
  },
  "luminance": 0.08772
}

Semantic roles & 50–950 ramp

primary

#1D5590

secondary

#BD864B

accent

#963EE9

background

#F6F8FA

surface

#ECEFF5

border

#C7CACF

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1D5590

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

Preview Lab → · Contrast checker → · Palette generator →