#1F1072#1F1072

#1F1072 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.3% C 0.153 H 277.2°. Best body text is #FFFFFF at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#1F1072
RGB	rgb(31, 16, 114)
HSL	hsl(249, 75%, 25%)
HSV	hsv(249, 86%, 45%)
CMYK	cmyk(72.8%, 86%, 0%, 55.3%)
CIE-LAB	lab(14.82, 37.90, -52.57)
CIE-LCH	lch(14.82, 64.81, 305.79°)
OKLab	oklab(28.28% 0.0191 -0.1519)
OKLCH	oklch(28.28% 0.153 277.2)
XYZ	xyz(3.7866, 1.8764, 16.0790)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1072 #637210

analogous

#103272 #1F1072 #501072

triadic

#1F1072 #721F10 #10721F

tetradic

#1F1072 #721032 #637210 #107250

square

#1F1072 #721032 #637210 #107250

split-complementary

#1F1072 #725010 #327210

monochromatic

#07041B #10083C #1F1072 #2E18A8 #3C1FDD

Accessibility & contrast

On white

15.27

#1F1072 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1F1072 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1072

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1072	#FFFFFF	#000000	##FFFFFF
##1F1072	1.00	15.27	1.38	15.27
#FFFFFF	15.27	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002975

Deuteranopia (green-blind)

#002170

Tritanopia (blue-blind)

#002F42

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1f1072;
/* rgb */ color: rgb(31, 16, 114);
/* oklch */ color: oklch(28.3% 0.153 277.2);

Tailwind

colors: {
  custom: {
    50: '#6a529c',
    500: '#1f1072',
    950: '#000000',
  },
}

SCSS

$custom: #1f1072;
$custom-light: #6a529c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1072",
  "rgb": {
    "r": 31,
    "g": 16,
    "b": 114
  },
  "hsl": {
    "h": 249.184,
    "s": 75.385,
    "l": 25.49
  },
  "oklch": {
    "l": 0.28276,
    "c": 0.15308,
    "h": 277.2
  },
  "luminance": 0.01877
}

Semantic roles & 50–950 ramp

primary

#1F1072

secondary

#98A934

accent

#F236D5

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1F1072

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

Preview Lab → · Contrast checker → · Palette generator →