#1F3293#1F3293

#1F3293 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.2% C 0.160 H 268.4°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#1F3293
RGB	rgb(31, 50, 147)
HSL	hsl(230, 65%, 35%)
HSV	hsv(230, 79%, 58%)
CMYK	cmyk(78.9%, 66%, 0%, 42.4%)
CIE-LAB	lab(25.80, 29.12, -55.32)
CIE-LCH	lch(25.80, 62.52, 297.76°)
OKLab	oklab(37.18% -0.0044 -0.1601)
OKLCH	oklch(37.18% 0.16 268.4)
XYZ	xyz(6.9703, 4.6783, 28.1338)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3293 #93801F

analogous

#1F6C93 #1F3293 #461F93

triadic

#1F3293 #931F32 #32931F

tetradic

#1F3293 #931F6C #93801F #1F9346

square

#1F3293 #931F6C #93801F #1F9346

split-complementary

#1F3293 #93461F #6C931F

monochromatic

#0A102E #142160 #1F3293 #2A43C6 #5268DA

Accessibility & contrast

On white

10.85

#1F3293 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#1F3293 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3293

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3293	#FFFFFF	#000000	##FFFFFF
##1F3293	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004396

Deuteranopia (green-blind)

#003891

Tritanopia (blue-blind)

#004C5E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1f3293;
/* rgb */ color: rgb(31, 50, 147);
/* oklch */ color: oklch(37.2% 0.160 268.4);

Tailwind

colors: {
  custom: {
    50: '#6f69b4',
    500: '#1f3293',
    950: '#000000',
  },
}

SCSS

$custom: #1f3293;
$custom-light: #6f69b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3293",
  "rgb": {
    "r": 31,
    "g": 50,
    "b": 147
  },
  "hsl": {
    "h": 230.172,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37179,
    "c": 0.16012,
    "h": 268.4
  },
  "luminance": 0.04679
}

Semantic roles & 50–950 ramp

primary

#1F3293

secondary

#BEAC50

accent

#CD40E8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1F3293

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

Preview Lab → · Contrast checker → · Palette generator →