#1F1875#1F1875

#1F1875 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.6% C 0.150 H 275.5°. Best body text is #FFFFFF at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#1F1875
RGB	rgb(31, 24, 117)
HSL	hsl(245, 66%, 28%)
HSV	hsv(245, 79%, 46%)
CMYK	cmyk(73.5%, 79.5%, 0%, 54.1%)
CIE-LAB	lab(16.64, 34.67, -51.50)
CIE-LCH	lch(16.64, 62.08, 303.95°)
OKLab	oklab(29.65% 0.0144 -0.1489)
OKLCH	oklch(29.65% 0.15 275.5)
XYZ	xyz(4.1015, 2.2285, 17.0402)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1875 #6E7518

analogous

#184075 #1F1875 #4D1875

triadic

#1F1875 #751F18 #18751F

tetradic

#1F1875 #751840 #6E7518 #18754D

square

#1F1875 #751840 #6E7518 #18754D

split-complementary

#1F1875 #754D18 #407518

monochromatic

#070519 #120E42 #1F1875 #2C22A8 #3F32D5

Accessibility & contrast

On white

14.52

#1F1875 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1F1875 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1875

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1875	#FFFFFF	#000000	##FFFFFF
##1F1875	1.00	14.52	1.45	14.52
#FFFFFF	14.52	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D78

Deuteranopia (green-blind)

#002573

Tritanopia (blue-blind)

#003346

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1f1875;
/* rgb */ color: rgb(31, 24, 117);
/* oklch */ color: oklch(29.6% 0.150 275.5);

Tailwind

colors: {
  custom: {
    50: '#6a579e',
    500: '#1f1875',
    950: '#000000',
  },
}

SCSS

$custom: #1f1875;
$custom-light: #6a579e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1875",
  "rgb": {
    "r": 31,
    "g": 24,
    "b": 117
  },
  "hsl": {
    "h": 244.516,
    "s": 65.957,
    "l": 27.647
  },
  "oklch": {
    "l": 0.29649,
    "c": 0.14959,
    "h": 275.5
  },
  "luminance": 0.02229
}

Semantic roles & 50–950 ramp

primary

#1F1875

secondary

#A2AA3F

accent

#E93FDC

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F1875

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

Preview Lab → · Contrast checker → · Palette generator →