#1F1674#1F1674

#1F1674 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.3% C 0.150 H 276.0°. Best body text is #FFFFFF at 14.73:1 contrast (WCAG AA passes).

Color values

HEX	#1F1674
RGB	rgb(31, 22, 116)
HSL	hsl(246, 68%, 27%)
HSV	hsv(246, 81%, 45%)
CMYK	cmyk(73.3%, 81%, 0%, 54.5%)
CIE-LAB	lab(16.13, 35.46, -51.69)
CIE-LCH	lch(16.13, 62.69, 304.45°)
OKLab	oklab(29.26% 0.0157 -0.1494)
OKLCH	oklch(29.26% 0.15 276)
XYZ	xyz(4.0033, 2.1257, 16.7189)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1674 #6B7416

analogous

#163C74 #1F1674 #4E1674

triadic

#1F1674 #741F16 #16741F

tetradic

#1F1674 #74163C #6B7416 #16744E

square

#1F1674 #74163C #6B7416 #16744E

split-complementary

#1F1674 #744E16 #3C7416

monochromatic

#07051A #110C41 #1F1674 #2D20A7 #3D2DD7

Accessibility & contrast

On white

14.73

#1F1674 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1F1674 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1674

14.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1674	#FFFFFF	#000000	##FFFFFF
##1F1674	1.00	14.73	1.43	14.73
#FFFFFF	14.73	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C77

Deuteranopia (green-blind)

#002472

Tritanopia (blue-blind)

#003245

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1f1674;
/* rgb */ color: rgb(31, 22, 116);
/* oklch */ color: oklch(29.3% 0.150 276.0);

Tailwind

colors: {
  custom: {
    50: '#69569d',
    500: '#1f1674',
    950: '#000000',
  },
}

SCSS

$custom: #1f1674;
$custom-light: #69569d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1674",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 116
  },
  "hsl": {
    "h": 245.745,
    "s": 68.116,
    "l": 27.059
  },
  "oklch": {
    "l": 0.29257,
    "c": 0.15026,
    "h": 276
  },
  "luminance": 0.02126
}

Semantic roles & 50–950 ramp

primary

#1F1674

secondary

#9FAA3C

accent

#EB3DDA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F1674

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

Preview Lab → · Contrast checker → · Palette generator →