#1D4F82#1D4F82

#1D4F82 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.1% C 0.100 H 251.8°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#1D4F82
RGB	rgb(29, 79, 130)
HSL	hsl(210, 64%, 31%)
HSV	hsv(210, 78%, 51%)
CMYK	cmyk(77.7%, 39.2%, 0%, 49%)
CIE-LAB	lab(32.84, 2.31, -33.45)
CIE-LCH	lch(32.84, 33.53, 273.95°)
OKLab	oklab(42.11% -0.0313 -0.0953)
OKLCH	oklch(42.11% 0.1 251.8)
XYZ	xyz(7.3304, 7.4640, 22.1691)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4F82 #82501D

analogous

#1D8182 #1D4F82 #1D1D82

triadic

#1D4F82 #821D4F #4F821D

tetradic

#1D4F82 #821D81 #82501D #1D821D

square

#1D4F82 #821D81 #82501D #1D821D

split-complementary

#1D4F82 #821D1D #81821D

monochromatic

#07121E #123150 #1D4F82 #286DB4 #448CD5

Accessibility & contrast

On white

8.42

#1D4F82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1D4F82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4F82

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4F82	#FFFFFF	#000000	##FFFFFF
##1D4F82	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375284

Deuteranopia (green-blind)

#284981

Tritanopia (blue-blind)

#005B62

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d4f82;
/* rgb */ color: rgb(29, 79, 130);
/* oklch */ color: oklch(42.1% 0.100 251.8);

Tailwind

colors: {
  custom: {
    50: '#687fa6',
    500: '#1d4f82',
    950: '#000000',
  },
}

SCSS

$custom: #1d4f82;
$custom-light: #687fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4f82",
  "rgb": {
    "r": 29,
    "g": 79,
    "b": 130
  },
  "hsl": {
    "h": 210.297,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.42114,
    "c": 0.10035,
    "h": 251.8
  },
  "luminance": 0.07465
}

Semantic roles & 50–950 ramp

primary

#1D4F82

secondary

#B57E46

accent

#9541E7

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1D4F82

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

Preview Lab → · Contrast checker → · Palette generator →