#1D34A8#1D34A8

#1D34A8 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.5% C 0.186 H 267.4°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#1D34A8
RGB	rgb(29, 52, 168)
HSL	hsl(230, 71%, 39%)
HSV	hsv(230, 83%, 66%)
CMYK	cmyk(82.7%, 69%, 0%, 34.1%)
CIE-LAB	lab(28.23, 35.55, -64.11)
CIE-LCH	lch(28.23, 73.31, 299.01°)
OKLab	oklab(39.55% -0.0085 -0.1858)
OKLCH	oklch(39.55% 0.186 267.4)
XYZ	xyz(8.8001, 5.5433, 37.6444)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D34A8 #A8911D

analogous

#1D79A8 #1D34A8 #4B1DA8

triadic

#1D34A8 #A81D34 #34A81D

tetradic

#1D34A8 #A81D79 #A8911D #1DA84B

square

#1D34A8 #A81D79 #A8911D #1DA84B

split-complementary

#1D34A8 #A84B1D #79A81D

monochromatic

#0B1440 #142474 #1D34A8 #2846DA #5C73E3

Accessibility & contrast

On white

9.96

#1D34A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#1D34A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D34A8

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D34A8	#FFFFFF	#000000	##FFFFFF
##1D34A8	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AC

Deuteranopia (green-blind)

#003CA6

Tritanopia (blue-blind)

#00546A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1d34a8;
/* rgb */ color: rgb(29, 52, 168);
/* oklch */ color: oklch(39.5% 0.186 267.4);

Tailwind

colors: {
  custom: {
    50: '#746bc3',
    500: '#1d34a8',
    950: '#000000',
  },
}

SCSS

$custom: #1d34a8;
$custom-light: #746bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d34a8",
  "rgb": {
    "r": 29,
    "g": 52,
    "b": 168
  },
  "hsl": {
    "h": 230.072,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.39548,
    "c": 0.18596,
    "h": 267.4
  },
  "luminance": 0.05544
}

Semantic roles & 50–950 ramp

primary

#1D34A8

secondary

#C7B55A

accent

#D03AED

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #1D34A8

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

Preview Lab → · Contrast checker → · Palette generator →