#1F2185#1F2185

#1F2185 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.8% C 0.161 H 272.3°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#1F2185
RGB	rgb(31, 33, 133)
HSL	hsl(239, 62%, 32%)
HSV	hsv(239, 77%, 52%)
CMYK	cmyk(76.7%, 75.2%, 0%, 47.8%)
CIE-LAB	lab(20.33, 34.92, -55.60)
CIE-LCH	lch(20.33, 65.66, 302.13°)
OKLab	oklab(32.79% 0.0065 -0.1609)
OKLCH	oklch(32.79% 0.161 272.3)
XYZ	xyz(5.3411, 3.0719, 22.4972)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2185 #85831F

analogous

#1F5485 #1F2185 #501F85

triadic

#1F2185 #851F21 #21851F

tetradic

#1F2185 #851F54 #85831F #1F8550

square

#1F2185 #851F54 #85831F #1F8550

split-complementary

#1F2185 #85501F #54851F

monochromatic

#080822 #131553 #1F2185 #2B2DB7 #4A4CD5

Accessibility & contrast

On white

13.01

#1F2185 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1F2185 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2185

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2185	#FFFFFF	#000000	##FFFFFF
##1F2185	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003688

Deuteranopia (green-blind)

#002C83

Tritanopia (blue-blind)

#003E51

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f2185;
/* rgb */ color: rgb(31, 33, 133);
/* oklch */ color: oklch(32.8% 0.161 272.3);

Tailwind

colors: {
  custom: {
    50: '#6d5daa',
    500: '#1f2185',
    950: '#000000',
  },
}

SCSS

$custom: #1f2185;
$custom-light: #6d5daa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2185",
  "rgb": {
    "r": 31,
    "g": 33,
    "b": 133
  },
  "hsl": {
    "h": 238.824,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32792,
    "c": 0.16104,
    "h": 272.3
  },
  "luminance": 0.03072
}

Semantic roles & 50–950 ramp

primary

#1F2185

secondary

#B7B549

accent

#E243E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1F2185

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

Preview Lab → · Contrast checker → · Palette generator →