#1F1575#1F1575

#1F1575 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.2% C 0.152 H 276.0°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#1F1575
RGB	rgb(31, 21, 117)
HSL	hsl(246, 70%, 27%)
HSV	hsv(246, 82%, 46%)
CMYK	cmyk(73.5%, 82.1%, 0%, 54.1%)
CIE-LAB	lab(16.06, 36.34, -52.46)
CIE-LCH	lch(16.06, 63.82, 304.71°)
OKLab	oklab(29.24% 0.0159 -0.1516)
OKLCH	oklch(29.24% 0.152 276)
XYZ	xyz(4.0431, 2.1116, 17.0207)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1575 #6B7515

analogous

#153B75 #1F1575 #4F1575

triadic

#1F1575 #751F15 #15751F

tetradic

#1F1575 #75153B #6B7515 #15754F

square

#1F1575 #75153B #6B7515 #15754F

split-complementary

#1F1575 #754F15 #3B7515

monochromatic

#07051A #110C41 #1F1575 #2D1EA9 #3D2BD9

Accessibility & contrast

On white

14.76

#1F1575 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1F1575 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1575

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1575	#FFFFFF	#000000	##FFFFFF
##1F1575	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C78

Deuteranopia (green-blind)

#002473

Tritanopia (blue-blind)

#003245

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1f1575;
/* rgb */ color: rgb(31, 21, 117);
/* oklch */ color: oklch(29.2% 0.152 276.0);

Tailwind

colors: {
  custom: {
    50: '#6a559e',
    500: '#1f1575',
    950: '#000000',
  },
}

SCSS

$custom: #1f1575;
$custom-light: #6a559e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1575",
  "rgb": {
    "r": 31,
    "g": 21,
    "b": 117
  },
  "hsl": {
    "h": 246.25,
    "s": 69.565,
    "l": 27.059
  },
  "oklch": {
    "l": 0.29242,
    "c": 0.15248,
    "h": 276
  },
  "luminance": 0.02112
}

Semantic roles & 50–950 ramp

primary

#1F1575

secondary

#9FAB3B

accent

#EC3BDA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F1575

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

Preview Lab → · Contrast checker → · Palette generator →