#1F1E79#1F1E79

#1F1E79 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.0% C 0.148 H 274.0°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#1F1E79
RGB	rgb(31, 30, 121)
HSL	hsl(241, 60%, 30%)
HSV	hsv(241, 75%, 47%)
CMYK	cmyk(74.4%, 75.2%, 0%, 52.5%)
CIE-LAB	lab(18.36, 32.48, -51.23)
CIE-LCH	lch(18.36, 60.66, 302.38°)
OKLab	oklab(31% 0.0102 -0.1481)
OKLCH	oklch(31% 0.149 274)
XYZ	xyz(4.4794, 2.5999, 18.3512)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1E79 #78791E

analogous

#1E4B79 #1F1E79 #4C1E79

triadic

#1F1E79 #791F1E #1E791F

tetradic

#1F1E79 #791E4B #78791E #1E794C

square

#1F1E79 #791E4B #78791E #1E794C

split-complementary

#1F1E79 #794C1E #4B791E

monochromatic

#060619 #121248 #1F1E79 #2C2AAA #4341D0

Accessibility & contrast

On white

13.82

#1F1E79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1F1E79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1E79

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1E79	#FFFFFF	#000000	##FFFFFF
##1F1E79	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317C

Deuteranopia (green-blind)

#002877

Tritanopia (blue-blind)

#003849

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1f1e79;
/* rgb */ color: rgb(31, 30, 121);
/* oklch */ color: oklch(31.0% 0.148 274.0);

Tailwind

colors: {
  custom: {
    50: '#6a5ba1',
    500: '#1f1e79',
    950: '#000000',
  },
}

SCSS

$custom: #1f1e79;
$custom-light: #6a5ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1e79",
  "rgb": {
    "r": 31,
    "g": 30,
    "b": 121
  },
  "hsl": {
    "h": 240.659,
    "s": 60.265,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31001,
    "c": 0.1485,
    "h": 274
  },
  "luminance": 0.026
}

Semantic roles & 50–950 ramp

primary

#1F1E79

secondary

#ABAD46

accent

#E344E2

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1F1E79

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

Preview Lab → · Contrast checker → · Palette generator →