#1D4BA6#1D4BA6

#1D4BA6 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.8% C 0.155 H 262.0°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#1D4BA6
RGB	rgb(29, 75, 166)
HSL	hsl(220, 70%, 38%)
HSV	hsv(220, 83%, 65%)
CMYK	cmyk(82.5%, 54.8%, 0%, 34.9%)
CIE-LAB	lab(34.08, 19.43, -53.35)
CIE-LCH	lch(34.08, 56.78, 290.01°)
OKLab	oklab(43.84% -0.0215 -0.1539)
OKLCH	oklch(43.84% 0.155 262)
XYZ	xyz(9.9032, 8.0453, 37.1000)
Luminance	0.0805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4BA6 #A6781D

analogous

#1D8FA6 #1D4BA6 #331DA6

triadic

#1D4BA6 #A61D4B #4BA61D

tetradic

#1D4BA6 #A61D8F #A6781D #1DA633

square

#1D4BA6 #A61D8F #A6781D #1DA633

split-complementary

#1D4BA6 #A6331D #8FA61D

monochromatic

#0B1C3E #143372 #1D4BA6 #2763D9 #5B88E2

Accessibility & contrast

On white

8.05

#1D4BA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#1D4BA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4BA6

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4BA6	#FFFFFF	#000000	##FFFFFF
##1D4BA6	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057A9

Deuteranopia (green-blind)

#004AA4

Tritanopia (blue-blind)

#006171

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d4ba6;
/* rgb */ color: rgb(29, 75, 166);
/* oklch */ color: oklch(43.8% 0.155 262.0);

Tailwind

colors: {
  custom: {
    50: '#717cc1',
    500: '#1d4ba6',
    950: '#000000',
  },
}

SCSS

$custom: #1d4ba6;
$custom-light: #717cc1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4ba6",
  "rgb": {
    "r": 29,
    "g": 75,
    "b": 166
  },
  "hsl": {
    "h": 219.854,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.43843,
    "c": 0.15544,
    "h": 262
  },
  "luminance": 0.08047
}

Semantic roles & 50–950 ramp

primary

#1D4BA6

secondary

#C6A159

accent

#B13BED

background

#F7F7FC

surface

#EDEEF8

border

#C8C9D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1D4BA6

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

Preview Lab → · Contrast checker → · Palette generator →