#1D5584#1D5584

#1D5584 is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.7% C 0.097 H 247.8°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#1D5584
RGB	rgb(29, 85, 132)
HSL	hsl(207, 64%, 32%)
HSV	hsv(207, 78%, 52%)
CMYK	cmyk(78%, 35.6%, 0%, 48.2%)
CIE-LAB	lab(34.85, -0.80, -31.50)
CIE-LCH	lch(34.85, 31.51, 268.54°)
OKLab	oklab(43.73% -0.0366 -0.0895)
OKLCH	oklch(43.73% 0.097 247.8)
XYZ	xyz(7.9185, 8.4232, 23.0338)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5584 #844C1D

analogous

#1D8480 #1D5584 #1D2184

triadic

#1D5584 #841D55 #55841D

tetradic

#1D5584 #801D84 #844C1D #21841D

square

#1D5584 #801D84 #844C1D #21841D

split-complementary

#1D5584 #841D21 #84801D

monochromatic

#071420 #123552 #1D5584 #2875B6 #4594D6

Accessibility & contrast

On white

7.82

#1D5584 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1D5584 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5584

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5584	#FFFFFF	#000000	##FFFFFF
##1D5584	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5786

Deuteranopia (green-blind)

#304E83

Tritanopia (blue-blind)

#006066

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1d5584;
/* rgb */ color: rgb(29, 85, 132);
/* oklch */ color: oklch(43.7% 0.097 247.8);

Tailwind

colors: {
  custom: {
    50: '#6984a8',
    500: '#1d5584',
    950: '#000000',
  },
}

SCSS

$custom: #1d5584;
$custom-light: #6984a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5584",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 132
  },
  "hsl": {
    "h": 207.379,
    "s": 63.975,
    "l": 31.569
  },
  "oklch": {
    "l": 0.43726,
    "c": 0.09674,
    "h": 247.8
  },
  "luminance": 0.08424
}

Semantic roles & 50–950 ramp

primary

#1D5584

secondary

#B77946

accent

#8D41E7

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1D5584

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

Preview Lab → · Contrast checker → · Palette generator →