#1F1376#1F1376

#1F1376 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.1% C 0.156 H 276.1°. Best body text is #FFFFFF at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#1F1376
RGB	rgb(31, 19, 118)
HSL	hsl(247, 72%, 27%)
HSV	hsv(247, 84%, 46%)
CMYK	cmyk(73.7%, 83.9%, 0%, 53.7%)
CIE-LAB	lab(15.82, 37.71, -53.50)
CIE-LCH	lch(15.82, 65.46, 305.18°)
OKLab	oklab(29.11% 0.0166 -0.1546)
OKLCH	oklch(29.11% 0.156 276.1)
XYZ	xyz(4.0669, 2.0647, 17.3202)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1376 #6A7613

analogous

#133976 #1F1376 #511376

triadic

#1F1376 #761F13 #13761F

tetradic

#1F1376 #761339 #6A7613 #137651

square

#1F1376 #761339 #6A7613 #137651

split-complementary

#1F1376 #765113 #397613

monochromatic

#07041A #110B41 #1F1376 #2D1BAB #3D27DC

Accessibility & contrast

On white

14.86

#1F1376 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1F1376 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1376

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1376	#FFFFFF	#000000	##FFFFFF
##1F1376	1.00	14.86	1.41	14.86
#FFFFFF	14.86	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B79

Deuteranopia (green-blind)

#002374

Tritanopia (blue-blind)

#003245

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1f1376;
/* rgb */ color: rgb(31, 19, 118);
/* oklch */ color: oklch(29.1% 0.156 276.1);

Tailwind

colors: {
  custom: {
    50: '#6a549f',
    500: '#1f1376',
    950: '#000000',
  },
}

SCSS

$custom: #1f1376;
$custom-light: #6a549f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1376",
  "rgb": {
    "r": 31,
    "g": 19,
    "b": 118
  },
  "hsl": {
    "h": 247.273,
    "s": 72.263,
    "l": 26.863
  },
  "oklch": {
    "l": 0.2911,
    "c": 0.15552,
    "h": 276.1
  },
  "luminance": 0.02065
}

Semantic roles & 50–950 ramp

primary

#1F1376

secondary

#9EAC39

accent

#EF39D9

background

#F6F5F9

surface

#ECE8F2

border

#C7C4CC

text

#08030F

muted

#7A787E

Preview Lab

Preview with #1F1376

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

Preview Lab → · Contrast checker → · Palette generator →