#1F2A85#1F2A85

#1F2A85 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.3% C 0.151 H 270.5°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#1F2A85
RGB	rgb(31, 42, 133)
HSL	hsl(234, 62%, 32%)
HSV	hsv(234, 77%, 52%)
CMYK	cmyk(76.7%, 68.4%, 0%, 47.8%)
CIE-LAB	lab(22.44, 29.14, -52.12)
CIE-LCH	lch(22.44, 59.71, 299.21°)
OKLab	oklab(34.32% 0.0014 -0.1508)
OKLCH	oklch(34.32% 0.151 270.5)
XYZ	xyz(5.6252, 3.6401, 22.5919)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2A85 #857A1F

analogous

#1F5D85 #1F2A85 #471F85

triadic

#1F2A85 #851F2A #2A851F

tetradic

#1F2A85 #851F5D #857A1F #1F8547

square

#1F2A85 #851F5D #857A1F #1F8547

split-complementary

#1F2A85 #85471F #5D851F

monochromatic

#080B22 #131A53 #1F2A85 #2B3AB7 #4A59D5

Accessibility & contrast

On white

12.15

#1F2A85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1F2A85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2A85

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2A85	#FFFFFF	#000000	##FFFFFF
##1F2A85	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B88

Deuteranopia (green-blind)

#003183

Tritanopia (blue-blind)

#004253

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1f2a85;
/* rgb */ color: rgb(31, 42, 133);
/* oklch */ color: oklch(34.3% 0.151 270.5);

Tailwind

colors: {
  custom: {
    50: '#6c63a9',
    500: '#1f2a85',
    950: '#000000',
  },
}

SCSS

$custom: #1f2a85;
$custom-light: #6c63a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2a85",
  "rgb": {
    "r": 31,
    "g": 42,
    "b": 133
  },
  "hsl": {
    "h": 233.529,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.34316,
    "c": 0.15077,
    "h": 270.5
  },
  "luminance": 0.03641
}

Semantic roles & 50–950 ramp

primary

#1F2A85

secondary

#B7AB49

accent

#D443E5

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1F2A85

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

Preview Lab → · Contrast checker → · Palette generator →