#1F1A85#1F1A85

#1F1A85 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.8% C 0.168 H 273.3°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F1A85
RGB	rgb(31, 26, 133)
HSL	hsl(243, 67%, 31%)
HSV	hsv(243, 80%, 52%)
CMYK	cmyk(76.7%, 80.5%, 0%, 47.8%)
CIE-LAB	lab(18.90, 38.98, -57.97)
CIE-LCH	lch(18.90, 69.85, 303.92°)
OKLab	oklab(31.78% 0.0097 -0.1677)
OKLCH	oklch(31.78% 0.168 273.3)
XYZ	xyz(5.1667, 2.7230, 22.4391)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1A85 #80851A

analogous

#1A4A85 #1F1A85 #541A85

triadic

#1F1A85 #851F1A #1A851F

tetradic

#1F1A85 #851A4A #80851A #1A8554

square

#1F1A85 #851A4A #80851A #1A8554

split-complementary

#1F1A85 #85541A #4A851A

monochromatic

#07061F #131052 #1F1A85 #2B24B8 #4740DA

Accessibility & contrast

On white

13.59

#1F1A85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1F1A85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1A85

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1A85	#FFFFFF	#000000	##FFFFFF
##1F1A85	1.00	13.59	1.54	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003388

Deuteranopia (green-blind)

#002983

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f1a85;
/* rgb */ color: rgb(31, 26, 133);
/* oklch */ color: oklch(31.8% 0.168 273.3);

Tailwind

colors: {
  custom: {
    50: '#6d59aa',
    500: '#1f1a85',
    950: '#000000',
  },
}

SCSS

$custom: #1f1a85;
$custom-light: #6d59aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1a85",
  "rgb": {
    "r": 31,
    "g": 26,
    "b": 133
  },
  "hsl": {
    "h": 242.804,
    "s": 67.296,
    "l": 31.176
  },
  "oklch": {
    "l": 0.3178,
    "c": 0.16799,
    "h": 273.3
  },
  "luminance": 0.02724
}

Semantic roles & 50–950 ramp

primary

#1F1A85

secondary

#B3B842

accent

#EA3EE2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1F1A85

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

Preview Lab → · Contrast checker → · Palette generator →