#1D4682#1D4682

#1D4682 is a dark, moderate blue. Relative luminance 0.063; OKLCH L 39.9% C 0.111 H 258.2°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#1D4682
RGB	rgb(29, 70, 130)
HSL	hsl(216, 64%, 31%)
HSV	hsv(216, 78%, 51%)
CMYK	cmyk(77.7%, 46.2%, 0%, 49%)
CIE-LAB	lab(30.04, 8.35, -37.92)
CIE-LCH	lch(30.04, 38.83, 282.41°)
OKLab	oklab(39.94% -0.0227 -0.1086)
OKLCH	oklch(39.94% 0.111 258.2)
XYZ	xyz(6.7246, 6.2525, 21.9672)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4682 #82591D

analogous

#1D7882 #1D4682 #271D82

triadic

#1D4682 #821D46 #46821D

tetradic

#1D4682 #821D78 #82591D #1D8227

square

#1D4682 #821D78 #82591D #1D8227

split-complementary

#1D4682 #82271D #78821D

monochromatic

#07101E #122B50 #1D4682 #2861B4 #447FD5

Accessibility & contrast

On white

9.33

#1D4682 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1D4682 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4682

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4682	#FFFFFF	#000000	##FFFFFF
##1D4682	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274C84

Deuteranopia (green-blind)

#134281

Tritanopia (blue-blind)

#00545D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1d4682;
/* rgb */ color: rgb(29, 70, 130);
/* oklch */ color: oklch(39.9% 0.111 258.2);

Tailwind

colors: {
  custom: {
    50: '#6878a7',
    500: '#1d4682',
    950: '#000000',
  },
}

SCSS

$custom: #1d4682;
$custom-light: #6878a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4682",
  "rgb": {
    "r": 29,
    "g": 70,
    "b": 130
  },
  "hsl": {
    "h": 215.644,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39937,
    "c": 0.111,
    "h": 258.2
  },
  "luminance": 0.06253
}

Semantic roles & 50–950 ramp

primary

#1D4682

secondary

#B58846

accent

#A341E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1D4682

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

Preview Lab → · Contrast checker → · Palette generator →