#1D3F92#1D3F92

#1D3F92 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.6% C 0.143 H 264.1°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#1D3F92
RGB	rgb(29, 63, 146)
HSL	hsl(223, 67%, 34%)
HSV	hsv(223, 80%, 57%)
CMYK	cmyk(80.1%, 56.8%, 0%, 42.7%)
CIE-LAB	lab(29.14, 19.63, -49.26)
CIE-LCH	lch(29.14, 53.03, 291.73°)
OKLab	oklab(39.62% -0.0147 -0.1421)
OKLCH	oklch(39.62% 0.143 264.1)
XYZ	xyz(7.4707, 5.8907, 27.9318)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3F92 #92701D

analogous

#1D7A92 #1D3F92 #361D92

triadic

#1D3F92 #921D3F #3F921D

tetradic

#1D3F92 #921D7A #92701D #1D9236

square

#1D3F92 #921D7A #92701D #1D9236

split-complementary

#1D3F92 #92361D #7A921D

monochromatic

#09132C #13295F #1D3F92 #2755C5 #4E77DC

Accessibility & contrast

On white

9.64

#1D3F92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1D3F92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3F92

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3F92	#FFFFFF	#000000	##FFFFFF
##1D3F92	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A95

Deuteranopia (green-blind)

#004090

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1d3f92;
/* rgb */ color: rgb(29, 63, 146);
/* oklch */ color: oklch(39.6% 0.143 264.1);

Tailwind

colors: {
  custom: {
    50: '#6d73b3',
    500: '#1d3f92',
    950: '#000000',
  },
}

SCSS

$custom: #1d3f92;
$custom-light: #6d73b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3f92",
  "rgb": {
    "r": 29,
    "g": 63,
    "b": 146
  },
  "hsl": {
    "h": 222.564,
    "s": 66.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.39615,
    "c": 0.14291,
    "h": 264.1
  },
  "luminance": 0.05892
}

Semantic roles & 50–950 ramp

primary

#1D3F92

secondary

#BE9D4C

accent

#B83EEA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D3F92

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

Preview Lab → · Contrast checker → · Palette generator →