#1D3394#1D3394

#1D3394 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.4% C 0.161 H 267.6°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#1D3394
RGB	rgb(29, 51, 148)
HSL	hsl(229, 67%, 35%)
HSV	hsv(229, 80%, 58%)
CMYK	cmyk(80.4%, 65.5%, 0%, 42%)
CIE-LAB	lab(26.06, 28.64, -55.51)
CIE-LCH	lch(26.06, 62.46, 297.29°)
OKLab	oklab(37.37% -0.0068 -0.1607)
OKLCH	oklch(37.37% 0.161 267.6)
XYZ	xyz(7.0340, 4.7662, 28.5605)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3394 #947E1D

analogous

#1D6E94 #1D3394 #431D94

triadic

#1D3394 #941D33 #33941D

tetradic

#1D3394 #941D6E #947E1D #1D9443

square

#1D3394 #941D6E #947E1D #1D9443

split-complementary

#1D3394 #94431D #6E941D

monochromatic

#09102E #132161 #1D3394 #2745C7 #4F69DC

Accessibility & contrast

On white

10.75

#1D3394 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1D3394 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3394

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3394	#FFFFFF	#000000	##FFFFFF
##1D3394	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004397

Deuteranopia (green-blind)

#003892

Tritanopia (blue-blind)

#004D5E

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1d3394;
/* rgb */ color: rgb(29, 51, 148);
/* oklch */ color: oklch(37.4% 0.161 267.6);

Tailwind

colors: {
  custom: {
    50: '#6e6ab4',
    500: '#1d3394',
    950: '#000000',
  },
}

SCSS

$custom: #1d3394;
$custom-light: #6e6ab4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3394",
  "rgb": {
    "r": 29,
    "g": 51,
    "b": 148
  },
  "hsl": {
    "h": 228.908,
    "s": 67.232,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37374,
    "c": 0.16081,
    "h": 267.6
  },
  "luminance": 0.04767
}

Semantic roles & 50–950 ramp

primary

#1D3394

secondary

#BFAA4E

accent

#CA3EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1D3394

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

Preview Lab → · Contrast checker → · Palette generator →