#1D3F93#1D3F93

#1D3F93 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.144 H 264.2°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#1D3F93
RGB	rgb(29, 63, 147)
HSL	hsl(223, 67%, 35%)
HSV	hsv(223, 80%, 58%)
CMYK	cmyk(80.3%, 57.1%, 0%, 42.4%)
CIE-LAB	lab(29.21, 20.03, -49.74)
CIE-LCH	lch(29.21, 53.63, 291.94°)
OKLab	oklab(39.7% -0.0147 -0.1436)
OKLCH	oklch(39.7% 0.144 264.2)
XYZ	xyz(7.5488, 5.9219, 28.3433)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3F93 #93711D

analogous

#1D7A93 #1D3F93 #361D93

triadic

#1D3F93 #931D3F #3F931D

tetradic

#1D3F93 #931D7A #93711D #1D9336

square

#1D3F93 #931D7A #93711D #1D9336

split-complementary

#1D3F93 #93361D #7A931D

monochromatic

#09132D #132960 #1D3F93 #2755C6 #4E77DC

Accessibility & contrast

On white

9.61

#1D3F93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1D3F93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3F93

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3F93	#FFFFFF	#000000	##FFFFFF
##1D3F93	1.00	9.61	2.18	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B96

Deuteranopia (green-blind)

#004091

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1d3f93;
/* rgb */ color: rgb(29, 63, 147);
/* oklch */ color: oklch(39.7% 0.144 264.2);

Tailwind

colors: {
  custom: {
    50: '#6d73b3',
    500: '#1d3f93',
    950: '#000000',
  },
}

SCSS

$custom: #1d3f93;
$custom-light: #6d73b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3f93",
  "rgb": {
    "r": 29,
    "g": 63,
    "b": 147
  },
  "hsl": {
    "h": 222.712,
    "s": 67.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.397,
    "c": 0.14432,
    "h": 264.2
  },
  "luminance": 0.05923
}

Semantic roles & 50–950 ramp

primary

#1D3F93

secondary

#BF9E4D

accent

#B83EEA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D3F93

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

Preview Lab → · Contrast checker → · Palette generator →