#1D5683#1D5683

#1D5683 is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.9% C 0.094 H 246.3°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#1D5683
RGB	rgb(29, 86, 131)
HSL	hsl(206, 64%, 31%)
HSV	hsv(206, 78%, 51%)
CMYK	cmyk(77.9%, 34.4%, 0%, 48.6%)
CIE-LAB	lab(35.11, -1.83, -30.47)
CIE-LCH	lch(35.11, 30.52, 266.56°)
OKLab	oklab(43.92% -0.0379 -0.0865)
OKLCH	oklch(43.92% 0.094 246.3)
XYZ	xyz(7.9296, 8.5546, 22.7016)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5683 #834A1D

analogous

#1D837D #1D5683 #1D2383

triadic

#1D5683 #831D56 #56831D

tetradic

#1D5683 #7D1D83 #834A1D #23831D

square

#1D5683 #7D1D83 #834A1D #23831D

split-complementary

#1D5683 #831D23 #837D1D

monochromatic

#07141F #123551 #1D5683 #2877B5 #4596D6

Accessibility & contrast

On white

7.75

#1D5683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#1D5683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5683

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5683	#FFFFFF	#000000	##FFFFFF
##1D5683	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415885

Deuteranopia (green-blind)

#334E82

Tritanopia (blue-blind)

#006166

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d5683;
/* rgb */ color: rgb(29, 86, 131);
/* oklch */ color: oklch(43.9% 0.094 246.3);

Tailwind

colors: {
  custom: {
    50: '#6985a7',
    500: '#1d5683',
    950: '#000000',
  },
}

SCSS

$custom: #1d5683;
$custom-light: #6985a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5683",
  "rgb": {
    "r": 29,
    "g": 86,
    "b": 131
  },
  "hsl": {
    "h": 206.471,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.43915,
    "c": 0.09446,
    "h": 246.3
  },
  "luminance": 0.08555
}

Semantic roles & 50–950 ramp

primary

#1D5683

secondary

#B67746

accent

#8A41E7

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1D5683

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

Preview Lab → · Contrast checker → · Palette generator →