#1F207E#1F207E

#1F207E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.153 H 273.1°. Best body text is #FFFFFF at 13.41:1 contrast (WCAG AA passes).

Color values

HEX	#1F207E
RGB	rgb(31, 32, 126)
HSL	hsl(239, 61%, 31%)
HSV	hsv(239, 75%, 49%)
CMYK	cmyk(75.4%, 74.6%, 0%, 50.6%)
CIE-LAB	lab(19.35, 33.03, -52.79)
CIE-LCH	lch(19.35, 62.27, 302.04°)
OKLab	oklab(31.87% 0.0082 -0.1527)
OKLCH	oklch(31.87% 0.153 273.1)
XYZ	xyz(4.8462, 2.8302, 20.0255)
Luminance	0.0283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F207E #7E7D1F

analogous

#1F4F7E #1F207E #4D1F7E

triadic

#1F207E #7E1F20 #207E1F

tetradic

#1F207E #7E1F4F #7E7D1F #1F7E4D

square

#1F207E #7E1F4F #7E7D1F #1F7E4D

split-complementary

#1F207E #7E4D1F #4F7E1F

monochromatic

#07071C #13144D #1F207E #2B2CAF #4647D1

Accessibility & contrast

On white

13.41

#1F207E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1F207E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F207E

13.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F207E	#FFFFFF	#000000	##FFFFFF
##1F207E	1.00	13.41	1.57	13.41
#FFFFFF	13.41	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003381

Deuteranopia (green-blind)

#002A7C

Tritanopia (blue-blind)

#003B4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1f207e;
/* rgb */ color: rgb(31, 32, 126);
/* oklch */ color: oklch(31.9% 0.153 273.1);

Tailwind

colors: {
  custom: {
    50: '#6b5ca4',
    500: '#1f207e',
    950: '#000000',
  },
}

SCSS

$custom: #1f207e;
$custom-light: #6b5ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f207e",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 126
  },
  "hsl": {
    "h": 239.368,
    "s": 60.51,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31867,
    "c": 0.15293,
    "h": 273.1
  },
  "luminance": 0.02831
}

Semantic roles & 50–950 ramp

primary

#1F207E

secondary

#B1B048

accent

#E244E4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1F207E

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

Preview Lab → · Contrast checker → · Palette generator →