#1F1A86#1F1A86

#1F1A86 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.169 H 273.2°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#1F1A86
RGB	rgb(31, 26, 134)
HSL	hsl(243, 68%, 31%)
HSV	hsv(243, 81%, 53%)
CMYK	cmyk(76.9%, 80.6%, 0%, 47.5%)
CIE-LAB	lab(19.02, 39.32, -58.40)
CIE-LCH	lch(19.02, 70.40, 303.95°)
OKLab	oklab(31.9% 0.0094 -0.169)
OKLCH	oklch(31.9% 0.169 273.2)
XYZ	xyz(5.2361, 2.7508, 22.8046)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1A86 #81861A

analogous

#1A4B86 #1F1A86 #551A86

triadic

#1F1A86 #861F1A #1A861F

tetradic

#1F1A86 #861A4B #81861A #1A8655

square

#1F1A86 #861A4B #81861A #1A8655

split-complementary

#1F1A86 #86551A #4B861A

monochromatic

#07061F #131053 #1F1A86 #2B24B9 #4740DA

Accessibility & contrast

On white

13.55

#1F1A86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1F1A86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1A86

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1A86	#FFFFFF	#000000	##FFFFFF
##1F1A86	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003389

Deuteranopia (green-blind)

#002984

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f1a86;
/* rgb */ color: rgb(31, 26, 134);
/* oklch */ color: oklch(31.9% 0.169 273.2);

Tailwind

colors: {
  custom: {
    50: '#6e59aa',
    500: '#1f1a86',
    950: '#000000',
  },
}

SCSS

$custom: #1f1a86;
$custom-light: #6e59aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1a86",
  "rgb": {
    "r": 31,
    "g": 26,
    "b": 134
  },
  "hsl": {
    "h": 242.778,
    "s": 67.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.31898,
    "c": 0.16923,
    "h": 273.2
  },
  "luminance": 0.02751
}

Semantic roles & 50–950 ramp

primary

#1F1A86

secondary

#B4B942

accent

#EA3DE2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1F1A86

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

Preview Lab → · Contrast checker → · Palette generator →