#1C2AA1#1C2AA1

#1C2AA1 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.1% C 0.188 H 268.6°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#1C2AA1
RGB	rgb(28, 42, 161)
HSL	hsl(234, 70%, 37%)
HSV	hsv(234, 83%, 63%)
CMYK	cmyk(82.6%, 73.9%, 0%, 36.9%)
CIE-LAB	lab(25.18, 39.19, -64.90)
CIE-LCH	lch(25.18, 75.81, 301.12°)
OKLab	oklab(37.12% -0.0047 -0.1881)
OKLCH	oklch(37.12% 0.188 268.6)
XYZ	xyz(7.7377, 4.4751, 34.1673)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2AA1 #A1931C

analogous

#1C6DA1 #1C2AA1 #501CA1

triadic

#1C2AA1 #A11C2A #2AA11C

tetradic

#1C2AA1 #A11C6D #A1931C #1CA150

square

#1C2AA1 #A11C6D #A1931C #1CA150

split-complementary

#1C2AA1 #A1501C #6DA11C

monochromatic

#0A0F39 #131C6D #1C2AA1 #2538D5 #5665E2

Accessibility & contrast

On white

11.08

#1C2AA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1C2AA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2AA1

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2AA1	#FFFFFF	#000000	##FFFFFF
##1C2AA1	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A5

Deuteranopia (green-blind)

#00359F

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1c2aa1;
/* rgb */ color: rgb(28, 42, 161);
/* oklch */ color: oklch(37.1% 0.188 268.6);

Tailwind

colors: {
  custom: {
    50: '#7264be',
    500: '#1c2aa1',
    950: '#000000',
  },
}

SCSS

$custom: #1c2aa1;
$custom-light: #7264be;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2aa1",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 161
  },
  "hsl": {
    "h": 233.684,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37121,
    "c": 0.18813,
    "h": 268.6
  },
  "luminance": 0.04476
}

Semantic roles & 50–950 ramp

primary

#1C2AA1

secondary

#C5B954

accent

#DA3BED

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #1C2AA1

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

Preview Lab → · Contrast checker → · Palette generator →