#1F2CA1#1F2CA1

#1F2CA1 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.6% C 0.185 H 269.2°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#1F2CA1
RGB	rgb(31, 44, 161)
HSL	hsl(234, 68%, 38%)
HSV	hsv(234, 81%, 63%)
CMYK	cmyk(80.7%, 72.7%, 0%, 36.9%)
CIE-LAB	lab(25.76, 38.18, -63.95)
CIE-LCH	lch(25.76, 74.48, 300.84°)
OKLab	oklab(37.57% -0.0026 -0.1853)
OKLCH	oklch(37.57% 0.185 269.2)
XYZ	xyz(7.8966, 4.6650, 34.1956)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2CA1 #A1941F

analogous

#1F6DA1 #1F2CA1 #531FA1

triadic

#1F2CA1 #A11F2C #2CA11F

tetradic

#1F2CA1 #A11F6D #A1941F #1FA153

square

#1F2CA1 #A11F6D #A1941F #1FA153

split-complementary

#1F2CA1 #A1531F #6DA11F

monochromatic

#0B103A #151E6E #1F2CA1 #293AD4 #5B68DF

Accessibility & contrast

On white

10.86

#1F2CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1F2CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2CA1

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2CA1	#FFFFFF	#000000	##FFFFFF
##1F2CA1	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A4

Deuteranopia (green-blind)

#00379F

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1f2ca1;
/* rgb */ color: rgb(31, 44, 161);
/* oklch */ color: oklch(37.6% 0.185 269.2);

Tailwind

colors: {
  custom: {
    50: '#7366be',
    500: '#1f2ca1',
    950: '#000000',
  },
}

SCSS

$custom: #1f2ca1;
$custom-light: #7366be;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2ca1",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 161
  },
  "hsl": {
    "h": 234,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.3757,
    "c": 0.18528,
    "h": 269.2
  },
  "luminance": 0.04666
}

Semantic roles & 50–950 ramp

primary

#1F2CA1

secondary

#C4B958

accent

#D93DEB

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #1F2CA1

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

Preview Lab → · Contrast checker → · Palette generator →