#1F2C80#1F2C80

#1F2C80 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.2% C 0.141 H 270.2°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#1F2C80
RGB	rgb(31, 44, 128)
HSL	hsl(232, 61%, 31%)
HSV	hsv(232, 76%, 50%)
CMYK	cmyk(75.8%, 65.6%, 0%, 49.8%)
CIE-LAB	lab(22.48, 25.88, -48.91)
CIE-LCH	lch(22.48, 55.34, 297.89°)
OKLab	oklab(34.2% 0.0004 -0.1413)
OKLCH	oklch(34.2% 0.141 270.2)
XYZ	xyz(5.3607, 3.6506, 20.8400)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2C80 #80731F

analogous

#1F5C80 #1F2C80 #421F80

triadic

#1F2C80 #801F2C #2C801F

tetradic

#1F2C80 #801F5C #80731F #1F8042

square

#1F2C80 #801F5C #80731F #1F8042

split-complementary

#1F2C80 #80421F #5C801F

monochromatic

#070A1D #131B4F #1F2C80 #2B3DB1 #475AD2

Accessibility & contrast

On white

12.14

#1F2C80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1F2C80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2C80

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2C80	#FFFFFF	#000000	##FFFFFF
##1F2C80	1.00	12.14	1.73	12.14
#FFFFFF	12.14	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A83

Deuteranopia (green-blind)

#00317E

Tritanopia (blue-blind)

#004251

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1f2c80;
/* rgb */ color: rgb(31, 44, 128);
/* oklch */ color: oklch(34.2% 0.141 270.2);

Tailwind

colors: {
  custom: {
    50: '#6a65a6',
    500: '#1f2c80',
    950: '#000000',
  },
}

SCSS

$custom: #1f2c80;
$custom-light: #6a65a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2c80",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 128
  },
  "hsl": {
    "h": 231.959,
    "s": 61.006,
    "l": 31.176
  },
  "oklch": {
    "l": 0.34198,
    "c": 0.14135,
    "h": 270.2
  },
  "luminance": 0.03651
}

Semantic roles & 50–950 ramp

primary

#1F2C80

secondary

#B3A548

accent

#CF44E4

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1F2C80

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

Preview Lab → · Contrast checker → · Palette generator →