#1D5281#1D5281

#1D5281 is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.8% C 0.096 H 248.9°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#1D5281
RGB	rgb(29, 82, 129)
HSL	hsl(208, 63%, 31%)
HSV	hsv(208, 78%, 51%)
CMYK	cmyk(77.5%, 36.4%, 0%, 49.4%)
CIE-LAB	lab(33.73, -0.04, -31.42)
CIE-LCH	lch(33.73, 31.42, 269.92°)
OKLab	oklab(42.79% -0.0345 -0.0894)
OKLCH	oklch(42.79% 0.096 248.9)
XYZ	xyz(7.4849, 7.8799, 21.8911)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5281 #814C1D

analogous

#1D817E #1D5281 #1D2081

triadic

#1D5281 #811D52 #52811D

tetradic

#1D5281 #7E1D81 #814C1D #20811D

square

#1D5281 #7E1D81 #814C1D #20811D

split-complementary

#1D5281 #811D20 #817E1D

monochromatic

#07121D #12324F #1D5281 #2872B3 #4491D5

Accessibility & contrast

On white

8.15

#1D5281 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#1D5281 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5281

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5281	#FFFFFF	#000000	##FFFFFF
##1D5281	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5483

Deuteranopia (green-blind)

#2E4B80

Tritanopia (blue-blind)

#005D63

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1d5281;
/* rgb */ color: rgb(29, 82, 129);
/* oklch */ color: oklch(42.8% 0.096 248.9);

Tailwind

colors: {
  custom: {
    50: '#6882a6',
    500: '#1d5281',
    950: '#000000',
  },
}

SCSS

$custom: #1d5281;
$custom-light: #6882a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5281",
  "rgb": {
    "r": 29,
    "g": 82,
    "b": 129
  },
  "hsl": {
    "h": 208.2,
    "s": 63.291,
    "l": 30.98
  },
  "oklch": {
    "l": 0.42793,
    "c": 0.0958,
    "h": 248.9
  },
  "luminance": 0.07881
}

Semantic roles & 50–950 ramp

primary

#1D5281

secondary

#B47A46

accent

#8F41E6

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1D5281

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

Preview Lab → · Contrast checker → · Palette generator →