#1D4077#1D4077

#1D4077 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.7% C 0.102 H 259.2°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#1D4077
RGB	rgb(29, 64, 119)
HSL	hsl(217, 61%, 29%)
HSV	hsv(217, 76%, 47%)
CMYK	cmyk(75.6%, 46.2%, 0%, 53.3%)
CIE-LAB	lab(27.46, 8.02, -35.17)
CIE-LCH	lch(27.46, 36.07, 282.85°)
OKLab	oklab(37.71% -0.0192 -0.1007)
OKLCH	oklch(37.71% 0.102 259.2)
XYZ	xyz(5.6687, 5.2593, 18.1656)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4077 #77541D

analogous

#1D6D77 #1D4077 #271D77

triadic

#1D4077 #771D40 #40771D

tetradic

#1D4077 #771D6D #77541D #1D7727

square

#1D4077 #771D6D #77541D #1D7727

split-complementary

#1D4077 #77271D #6D771D

monochromatic

#060D19 #112646 #1D4077 #295AA8 #3E77D0

Accessibility & contrast

On white

10.23

#1D4077 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1D4077 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4077

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4077	#FFFFFF	#000000	##FFFFFF
##1D4077	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244579

Deuteranopia (green-blind)

#133D76

Tritanopia (blue-blind)

#004D55

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1d4077;
/* rgb */ color: rgb(29, 64, 119);
/* oklch */ color: oklch(37.7% 0.102 259.2);

Tailwind

colors: {
  custom: {
    50: '#66749e',
    500: '#1d4077',
    950: '#000000',
  },
}

SCSS

$custom: #1d4077;
$custom-light: #66749e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4077",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 119
  },
  "hsl": {
    "h": 216.667,
    "s": 60.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.3771,
    "c": 0.10249,
    "h": 259.2
  },
  "luminance": 0.0526
}

Semantic roles & 50–950 ramp

primary

#1D4077

secondary

#AB8345

accent

#A644E4

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1D4077

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

Preview Lab → · Contrast checker → · Palette generator →