#1F2393#1F2393

#1F2393 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.7% C 0.177 H 271.0°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#1F2393
RGB	rgb(31, 35, 147)
HSL	hsl(238, 65%, 35%)
HSV	hsv(238, 79%, 58%)
CMYK	cmyk(78.9%, 76.2%, 0%, 42.4%)
CIE-LAB	lab(22.30, 38.66, -61.08)
CIE-LCH	lch(22.30, 72.28, 302.33°)
OKLab	oklab(34.65% 0.0032 -0.1769)
OKLCH	oklch(34.65% 0.177 271)
XYZ	xyz(6.4308, 3.5992, 27.9539)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2393 #938F1F

analogous

#1F5D93 #1F2393 #551F93

triadic

#1F2393 #931F23 #23931F

tetradic

#1F2393 #931F5D #938F1F #1F9355

square

#1F2393 #931F5D #938F1F #1F9355

split-complementary

#1F2393 #93551F #5D931F

monochromatic

#0A0B2E #141760 #1F2393 #2A2FC6 #5257DA

Accessibility & contrast

On white

12.21

#1F2393 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1F2393 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2393

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2393	#FFFFFF	#000000	##FFFFFF
##1F2393	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B96

Deuteranopia (green-blind)

#002F91

Tritanopia (blue-blind)

#004459

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f2393;
/* rgb */ color: rgb(31, 35, 147);
/* oklch */ color: oklch(34.7% 0.177 271.0);

Tailwind

colors: {
  custom: {
    50: '#705fb4',
    500: '#1f2393',
    950: '#000000',
  },
}

SCSS

$custom: #1f2393;
$custom-light: #705fb4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2393",
  "rgb": {
    "r": 31,
    "g": 35,
    "b": 147
  },
  "hsl": {
    "h": 237.931,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.34651,
    "c": 0.17689,
    "h": 271
  },
  "luminance": 0.036
}

Semantic roles & 50–950 ramp

primary

#1F2393

secondary

#BEBA50

accent

#E240E8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2393

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

Preview Lab → · Contrast checker → · Palette generator →