#1F207A#1F207A

#1F207A is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.4% C 0.148 H 273.4°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F207A
RGB	rgb(31, 32, 122)
HSL	hsl(239, 59%, 30%)
HSV	hsv(239, 75%, 48%)
CMYK	cmyk(74.6%, 73.8%, 0%, 52.2%)
CIE-LAB	lab(18.92, 31.59, -50.94)
CIE-LCH	lch(18.92, 59.94, 301.80°)
OKLab	oklab(31.43% 0.0089 -0.1473)
OKLCH	oklch(31.43% 0.148 273.4)
XYZ	xyz(4.5933, 2.7290, 18.6933)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F207A #7A791F

analogous

#1F4D7A #1F207A #4C1F7A

triadic

#1F207A #7A1F20 #207A1F

tetradic

#1F207A #7A1F4D #7A791F #1F7A4C

square

#1F207A #7A1F4D #7A791F #1F7A4C

split-complementary

#1F207A #7A4C1F #4D7A1F

monochromatic

#060618 #131349 #1F207A #2B2DAB #4445CF

Accessibility & contrast

On white

13.59

#1F207A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1F207A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F207A

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F207A	#FFFFFF	#000000	##FFFFFF
##1F207A	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327D

Deuteranopia (green-blind)

#002A78

Tritanopia (blue-blind)

#00394A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f207a;
/* rgb */ color: rgb(31, 32, 122);
/* oklch */ color: oklch(31.4% 0.148 273.4);

Tailwind

colors: {
  custom: {
    50: '#6a5ca1',
    500: '#1f207a',
    950: '#000000',
  },
}

SCSS

$custom: #1f207a;
$custom-light: #6a5ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f207a",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 122
  },
  "hsl": {
    "h": 239.341,
    "s": 59.477,
    "l": 30
  },
  "oklch": {
    "l": 0.31433,
    "c": 0.1476,
    "h": 273.4
  },
  "luminance": 0.02729
}

Semantic roles & 50–950 ramp

primary

#1F207A

secondary

#ADAC47

accent

#E145E3

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1F207A

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

Preview Lab → · Contrast checker → · Palette generator →