#1F2290#1F2290

#1F2290 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.2% C 0.174 H 271.3°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#1F2290
RGB	rgb(31, 34, 144)
HSL	hsl(238, 65%, 34%)
HSV	hsv(238, 78%, 56%)
CMYK	cmyk(78.5%, 76.4%, 0%, 43.5%)
CIE-LAB	lab(21.76, 38.20, -60.12)
CIE-LCH	lch(21.76, 71.23, 302.43°)
OKLab	oklab(34.17% 0.0041 -0.1741)
OKLCH	oklch(34.17% 0.174 271.3)
XYZ	xyz(6.1694, 3.4483, 26.7206)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2290 #908D1F

analogous

#1F5B90 #1F2290 #551F90

triadic

#1F2290 #901F22 #22901F

tetradic

#1F2290 #901F5B #908D1F #1F9055

square

#1F2290 #901F5B #908D1F #1F9055

split-complementary

#1F2290 #90551F #5B901F

monochromatic

#090A2B #14165E #1F2290 #2A2EC2 #5054D9

Accessibility & contrast

On white

12.43

#1F2290 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1F2290 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2290

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2290	#FFFFFF	#000000	##FFFFFF
##1F2290	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A93

Deuteranopia (green-blind)

#002E8E

Tritanopia (blue-blind)

#004257

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1f2290;
/* rgb */ color: rgb(31, 34, 144);
/* oklch */ color: oklch(34.2% 0.174 271.3);

Tailwind

colors: {
  custom: {
    50: '#705eb2',
    500: '#1f2290',
    950: '#000000',
  },
}

SCSS

$custom: #1f2290;
$custom-light: #705eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2290",
  "rgb": {
    "r": 31,
    "g": 34,
    "b": 144
  },
  "hsl": {
    "h": 238.407,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34167,
    "c": 0.17411,
    "h": 271.3
  },
  "luminance": 0.03449
}

Semantic roles & 50–950 ramp

primary

#1F2290

secondary

#BCB94E

accent

#E340E8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1F2290

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

Preview Lab → · Contrast checker → · Palette generator →