#1F2593#1F2593

#1F2593 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.0% C 0.175 H 270.8°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#1F2593
RGB	rgb(31, 37, 147)
HSL	hsl(237, 65%, 35%)
HSV	hsv(237, 79%, 58%)
CMYK	cmyk(78.9%, 74.8%, 0%, 42.4%)
CIE-LAB	lab(22.72, 37.46, -60.38)
CIE-LCH	lch(22.72, 71.06, 301.82°)
OKLab	oklab(34.95% 0.0023 -0.1748)
OKLCH	oklch(34.95% 0.175 270.8)
XYZ	xyz(6.4913, 3.7203, 27.9741)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2593 #938D1F

analogous

#1F5F93 #1F2593 #531F93

triadic

#1F2593 #931F25 #25931F

tetradic

#1F2593 #931F5F #938D1F #1F9353

square

#1F2593 #931F5F #938D1F #1F9353

split-complementary

#1F2593 #93531F #5F931F

monochromatic

#0A0C2E #141860 #1F2593 #2A32C6 #5259DA

Accessibility & contrast

On white

12.04

#1F2593 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1F2593 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2593

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2593	#FFFFFF	#000000	##FFFFFF
##1F2593	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C96

Deuteranopia (green-blind)

#003091

Tritanopia (blue-blind)

#00455A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1f2593;
/* rgb */ color: rgb(31, 37, 147);
/* oklch */ color: oklch(35.0% 0.175 270.8);

Tailwind

colors: {
  custom: {
    50: '#7061b4',
    500: '#1f2593',
    950: '#000000',
  },
}

SCSS

$custom: #1f2593;
$custom-light: #7061b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2593",
  "rgb": {
    "r": 31,
    "g": 37,
    "b": 147
  },
  "hsl": {
    "h": 236.897,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.34953,
    "c": 0.17486,
    "h": 270.8
  },
  "luminance": 0.03721
}

Semantic roles & 50–950 ramp

primary

#1F2593

secondary

#BEB850

accent

#DF40E8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2593

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

Preview Lab → · Contrast checker → · Palette generator →