#1F1678#1F1678

#1F1678 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.7% C 0.155 H 275.4°. Best body text is #FFFFFF at 14.54:1 contrast (WCAG AA passes).

Color values

HEX	#1F1678
RGB	rgb(31, 22, 120)
HSL	hsl(246, 69%, 28%)
HSV	hsv(246, 82%, 47%)
CMYK	cmyk(74.2%, 81.7%, 0%, 52.9%)
CIE-LAB	lab(16.61, 36.80, -53.49)
CIE-LCH	lch(16.61, 64.93, 304.53°)
OKLab	oklab(29.73% 0.0147 -0.1547)
OKLCH	oklch(29.73% 0.155 275.4)
XYZ	xyz(4.2410, 2.2208, 17.9708)
Luminance	0.0222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1678 #6F7816

analogous

#163E78 #1F1678 #501678

triadic

#1F1678 #781F16 #16781F

tetradic

#1F1678 #78163E #6F7816 #167850

square

#1F1678 #78163E #6F7816 #167850

split-complementary

#1F1678 #785016 #3E7816

monochromatic

#07051A #120D44 #1F1678 #2C1FAC #3F2FD9

Accessibility & contrast

On white

14.54

#1F1678 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1F1678 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1678

14.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1678	#FFFFFF	#000000	##FFFFFF
##1F1678	1.00	14.54	1.44	14.54
#FFFFFF	14.54	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7B

Deuteranopia (green-blind)

#002576

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1f1678;
/* rgb */ color: rgb(31, 22, 120);
/* oklch */ color: oklch(29.7% 0.155 275.4);

Tailwind

colors: {
  custom: {
    50: '#6a56a0',
    500: '#1f1678',
    950: '#000000',
  },
}

SCSS

$custom: #1f1678;
$custom-light: #6a56a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1678",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 120
  },
  "hsl": {
    "h": 245.51,
    "s": 69.014,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29726,
    "c": 0.15535,
    "h": 275.4
  },
  "luminance": 0.02221
}

Semantic roles & 50–950 ramp

primary

#1F1678

secondary

#A3AD3C

accent

#EC3CDC

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1F1678

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

Preview Lab → · Contrast checker → · Palette generator →