#1D4072#1D4072

#1D4072 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.095 H 257.7°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#1D4072
RGB	rgb(29, 64, 114)
HSL	hsl(215, 59%, 28%)
HSV	hsv(215, 75%, 45%)
CMYK	cmyk(74.6%, 43.9%, 0%, 55.3%)
CIE-LAB	lab(27.14, 6.00, -32.52)
CIE-LCH	lch(27.14, 33.07, 280.45°)
OKLab	oklab(37.35% -0.0203 -0.0929)
OKLCH	oklch(37.35% 0.095 257.7)
XYZ	xyz(5.3762, 5.1423, 16.6256)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4072 #724F1D

analogous

#1D6A72 #1D4072 #241D72

triadic

#1D4072 #721D40 #40721D

tetradic

#1D4072 #721D6A #724F1D #1D7224

square

#1D4072 #721D6A #724F1D #1D7224

split-complementary

#1D4072 #72241D #6A721D

monochromatic

#060E18 #112541 #1D4072 #295BA3 #3C78CD

Accessibility & contrast

On white

10.35

#1D4072 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#1D4072 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4072

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4072	#FFFFFF	#000000	##FFFFFF
##1D4072	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284474

Deuteranopia (green-blind)

#1A3C71

Tritanopia (blue-blind)

#004C53

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1d4072;
/* rgb */ color: rgb(29, 64, 114);
/* oklch */ color: oklch(37.4% 0.095 257.7);

Tailwind

colors: {
  custom: {
    50: '#65749b',
    500: '#1d4072',
    950: '#000000',
  },
}

SCSS

$custom: #1d4072;
$custom-light: #65749b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4072",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 114
  },
  "hsl": {
    "h": 215.294,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.37354,
    "c": 0.0951,
    "h": 257.7
  },
  "luminance": 0.05143
}

Semantic roles & 50–950 ramp

primary

#1D4072

secondary

#A67E45

accent

#A245E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D4072

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

Preview Lab → · Contrast checker → · Palette generator →