#1D3494#1D3494

#1D3494 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.6% C 0.160 H 267.3°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D3494
RGB	rgb(29, 52, 148)
HSL	hsl(228, 67%, 35%)
HSV	hsv(228, 80%, 58%)
CMYK	cmyk(80.4%, 64.9%, 0%, 42%)
CIE-LAB	lab(26.32, 27.96, -55.09)
CIE-LCH	lch(26.32, 61.78, 296.91°)
OKLab	oklab(37.56% -0.0074 -0.1594)
OKLCH	oklch(37.56% 0.16 267.3)
XYZ	xyz(7.0781, 4.8545, 28.5752)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3494 #947D1D

analogous

#1D7094 #1D3494 #411D94

triadic

#1D3494 #941D34 #34941D

tetradic

#1D3494 #941D70 #947D1D #1D9441

square

#1D3494 #941D70 #947D1D #1D9441

split-complementary

#1D3494 #94411D #70941D

monochromatic

#09102E #132261 #1D3494 #2746C7 #4F6ADC

Accessibility & contrast

On white

10.65

#1D3494 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1D3494 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3494

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3494	#FFFFFF	#000000	##FFFFFF
##1D3494	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004497

Deuteranopia (green-blind)

#003992

Tritanopia (blue-blind)

#004D5F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1d3494;
/* rgb */ color: rgb(29, 52, 148);
/* oklch */ color: oklch(37.6% 0.160 267.3);

Tailwind

colors: {
  custom: {
    50: '#6e6bb4',
    500: '#1d3494',
    950: '#000000',
  },
}

SCSS

$custom: #1d3494;
$custom-light: #6e6bb4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3494",
  "rgb": {
    "r": 29,
    "g": 52,
    "b": 148
  },
  "hsl": {
    "h": 228.403,
    "s": 67.232,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37564,
    "c": 0.15958,
    "h": 267.3
  },
  "luminance": 0.04855
}

Semantic roles & 50–950 ramp

primary

#1D3494

secondary

#BFA94E

accent

#C93EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1D3494

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

Preview Lab → · Contrast checker → · Palette generator →