#1F1172#1F1172

#1F1172 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.4% C 0.152 H 277.0°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#1F1172
RGB	rgb(31, 17, 114)
HSL	hsl(249, 74%, 26%)
HSV	hsv(249, 85%, 45%)
CMYK	cmyk(72.8%, 85.1%, 0%, 55.3%)
CIE-LAB	lab(14.99, 37.42, -52.29)
CIE-LCH	lch(14.99, 64.30, 305.59°)
OKLab	oklab(28.39% 0.0187 -0.1511)
OKLCH	oklch(28.39% 0.152 277)
XYZ	xyz(3.8018, 1.9068, 16.0840)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1172 #647211

analogous

#113372 #1F1172 #4F1172

triadic

#1F1172 #721F11 #11721F

tetradic

#1F1172 #721133 #647211 #11724F

square

#1F1172 #721133 #647211 #11724F

split-complementary

#1F1172 #724F11 #337211

monochromatic

#07041B #11093D #1F1172 #2D19A7 #3C21DD

Accessibility & contrast

On white

15.20

#1F1172 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1F1172 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1172

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1172	#FFFFFF	#000000	##FFFFFF
##1F1172	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A75

Deuteranopia (green-blind)

#002170

Tritanopia (blue-blind)

#002F42

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1f1172;
/* rgb */ color: rgb(31, 17, 114);
/* oklch */ color: oklch(28.4% 0.152 277.0);

Tailwind

colors: {
  custom: {
    50: '#69539c',
    500: '#1f1172',
    950: '#000000',
  },
}

SCSS

$custom: #1f1172;
$custom-light: #69539c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1172",
  "rgb": {
    "r": 31,
    "g": 17,
    "b": 114
  },
  "hsl": {
    "h": 248.66,
    "s": 74.046,
    "l": 25.686
  },
  "oklch": {
    "l": 0.2839,
    "c": 0.15226,
    "h": 277
  },
  "luminance": 0.01907
}

Semantic roles & 50–950 ramp

primary

#1F1172

secondary

#98A936

accent

#F137D6

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1F1172

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

Preview Lab → · Contrast checker → · Palette generator →