#1F1876#1F1876

#1F1876 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.8% C 0.151 H 275.4°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#1F1876
RGB	rgb(31, 24, 118)
HSL	hsl(244, 66%, 28%)
HSV	hsv(244, 80%, 46%)
CMYK	cmyk(73.7%, 79.7%, 0%, 53.7%)
CIE-LAB	lab(16.76, 35.01, -51.95)
CIE-LCH	lch(16.76, 62.65, 303.98°)
OKLab	oklab(29.76% 0.0142 -0.1502)
OKLCH	oklch(29.76% 0.151 275.4)
XYZ	xyz(4.1606, 2.2522, 17.3515)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1876 #6F7618

analogous

#184076 #1F1876 #4E1876

triadic

#1F1876 #761F18 #18761F

tetradic

#1F1876 #761840 #6F7618 #18764E

square

#1F1876 #761840 #6F7618 #18764E

split-complementary

#1F1876 #764E18 #407618

monochromatic

#070519 #120E43 #1F1876 #2C22A9 #3F33D5

Accessibility & contrast

On white

14.48

#1F1876 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1F1876 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1876

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1876	#FFFFFF	#000000	##FFFFFF
##1F1876	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D79

Deuteranopia (green-blind)

#002574

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1f1876;
/* rgb */ color: rgb(31, 24, 118);
/* oklch */ color: oklch(29.8% 0.151 275.4);

Tailwind

colors: {
  custom: {
    50: '#6a579f',
    500: '#1f1876',
    950: '#000000',
  },
}

SCSS

$custom: #1f1876;
$custom-light: #6a579f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1876",
  "rgb": {
    "r": 31,
    "g": 24,
    "b": 118
  },
  "hsl": {
    "h": 244.468,
    "s": 66.197,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29764,
    "c": 0.15088,
    "h": 275.4
  },
  "luminance": 0.02253
}

Semantic roles & 50–950 ramp

primary

#1F1876

secondary

#A3AB3F

accent

#E93FDC

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #1F1876

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

Preview Lab → · Contrast checker → · Palette generator →