#1F2283#1F2283

#1F2283 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.7% C 0.157 H 272.3°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#1F2283
RGB	rgb(31, 34, 131)
HSL	hsl(238, 62%, 32%)
HSV	hsv(238, 76%, 51%)
CMYK	cmyk(76.3%, 74%, 0%, 48.6%)
CIE-LAB	lab(20.34, 33.59, -54.33)
CIE-LCH	lch(20.34, 63.87, 301.72°)
OKLab	oklab(32.73% 0.0063 -0.1572)
OKLCH	oklch(32.73% 0.157 272.3)
XYZ	xyz(5.2325, 3.0735, 21.7858)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2283 #83801F

analogous

#1F5483 #1F2283 #4E1F83

triadic

#1F2283 #831F22 #22831F

tetradic

#1F2283 #831F54 #83801F #1F834E

square

#1F2283 #831F54 #83801F #1F834E

split-complementary

#1F2283 #834E1F #54831F

monochromatic

#080820 #131552 #1F2283 #2B2FB4 #494DD4

Accessibility & contrast

On white

13.00

#1F2283 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1F2283 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2283

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2283	#FFFFFF	#000000	##FFFFFF
##1F2283	1.00	13.00	1.61	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003686

Deuteranopia (green-blind)

#002C81

Tritanopia (blue-blind)

#003D50

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f2283;
/* rgb */ color: rgb(31, 34, 131);
/* oklch */ color: oklch(32.7% 0.157 272.3);

Tailwind

colors: {
  custom: {
    50: '#6c5ea8',
    500: '#1f2283',
    950: '#000000',
  },
}

SCSS

$custom: #1f2283;
$custom-light: #6c5ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2283",
  "rgb": {
    "r": 31,
    "g": 34,
    "b": 131
  },
  "hsl": {
    "h": 238.2,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32732,
    "c": 0.15734,
    "h": 272.3
  },
  "luminance": 0.03074
}

Semantic roles & 50–950 ramp

primary

#1F2283

secondary

#B6B248

accent

#E043E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1F2283

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

Preview Lab → · Contrast checker → · Palette generator →