#1F1670#1F1670

#1F1670 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.8% C 0.145 H 276.6°. Best body text is #FFFFFF at 14.93:1 contrast (WCAG AA passes).

Color values

HEX	#1F1670
RGB	rgb(31, 22, 112)
HSL	hsl(246, 67%, 26%)
HSV	hsv(246, 80%, 44%)
CMYK	cmyk(72.3%, 80.4%, 0%, 56.1%)
CIE-LAB	lab(15.67, 34.11, -49.87)
CIE-LCH	lch(15.67, 60.42, 304.37°)
OKLab	oklab(28.79% 0.0168 -0.1441)
OKLCH	oklch(28.79% 0.145 276.6)
XYZ	xyz(3.7757, 2.0346, 15.5198)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1670 #677016

analogous

#163A70 #1F1670 #4C1670

triadic

#1F1670 #701F16 #16701F

tetradic

#1F1670 #70163A #677016 #16704C

square

#1F1670 #70163A #677016 #16704C

split-complementary

#1F1670 #704C16 #3A7016

monochromatic

#07051A #110C3D #1F1670 #2D20A3 #3C2BD5

Accessibility & contrast

On white

14.93

#1F1670 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1F1670 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1670

14.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1670	#FFFFFF	#000000	##FFFFFF
##1F1670	1.00	14.93	1.41	14.93
#FFFFFF	14.93	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B73

Deuteranopia (green-blind)

#00236E

Tritanopia (blue-blind)

#003142

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1f1670;
/* rgb */ color: rgb(31, 22, 112);
/* oklch */ color: oklch(28.8% 0.145 276.6);

Tailwind

colors: {
  custom: {
    50: '#68559a',
    500: '#1f1670',
    950: '#000000',
  },
}

SCSS

$custom: #1f1670;
$custom-light: #68559a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1670",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 112
  },
  "hsl": {
    "h": 246,
    "s": 67.164,
    "l": 26.275
  },
  "oklch": {
    "l": 0.28792,
    "c": 0.14511,
    "h": 276.6
  },
  "luminance": 0.02035
}

Semantic roles & 50–950 ramp

primary

#1F1670

secondary

#9BA63C

accent

#EA3ED9

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F1670

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

Preview Lab → · Contrast checker → · Palette generator →