#1F207C#1F207C

#1F207C is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.6% C 0.150 H 273.3°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#1F207C
RGB	rgb(31, 32, 124)
HSL	hsl(239, 60%, 30%)
HSV	hsv(239, 75%, 49%)
CMYK	cmyk(75%, 74.2%, 0%, 51.4%)
CIE-LAB	lab(19.14, 32.31, -51.87)
CIE-LCH	lch(19.14, 61.11, 301.92°)
OKLab	oklab(31.65% 0.0086 -0.15)
OKLCH	oklch(31.65% 0.15 273.3)
XYZ	xyz(4.7185, 2.7791, 19.3526)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F207C #7C7B1F

analogous

#1F4E7C #1F207C #4C1F7C

triadic

#1F207C #7C1F20 #207C1F

tetradic

#1F207C #7C1F4E #7C7B1F #1F7C4C

square

#1F207C #7C1F4E #7C7B1F #1F7C4C

split-complementary

#1F207C #7C4C1F #4E7C1F

monochromatic

#07071A #13134B #1F207C #2B2DAD #4546D0

Accessibility & contrast

On white

13.50

#1F207C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1F207C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F207C

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F207C	#FFFFFF	#000000	##FFFFFF
##1F207C	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337F

Deuteranopia (green-blind)

#002A7A

Tritanopia (blue-blind)

#003A4B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f207c;
/* rgb */ color: rgb(31, 32, 124);
/* oklch */ color: oklch(31.6% 0.150 273.3);

Tailwind

colors: {
  custom: {
    50: '#6a5ca3',
    500: '#1f207c',
    950: '#000000',
  },
}

SCSS

$custom: #1f207c;
$custom-light: #6a5ca3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f207c",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 124
  },
  "hsl": {
    "h": 239.355,
    "s": 60,
    "l": 30.392
  },
  "oklch": {
    "l": 0.31649,
    "c": 0.15027,
    "h": 273.3
  },
  "luminance": 0.0278
}

Semantic roles & 50–950 ramp

primary

#1F207C

secondary

#AFAE48

accent

#E145E3

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1F207C

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

Preview Lab → · Contrast checker → · Palette generator →