#1C2CA1#1C2CA1

#1C2CA1 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.4% C 0.186 H 268.3°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#1C2CA1
RGB	rgb(28, 44, 161)
HSL	hsl(233, 70%, 37%)
HSV	hsv(233, 83%, 63%)
CMYK	cmyk(82.6%, 72.7%, 0%, 36.9%)
CIE-LAB	lab(25.63, 37.96, -64.17)
CIE-LCH	lch(25.63, 74.56, 300.61°)
OKLab	oklab(37.44% -0.0054 -0.186)
OKLCH	oklch(37.44% 0.186 268.3)
XYZ	xyz(7.8104, 4.6205, 34.1915)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2CA1 #A1911C

analogous

#1C6FA1 #1C2CA1 #4F1CA1

triadic

#1C2CA1 #A11C2C #2CA11C

tetradic

#1C2CA1 #A11C6F #A1911C #1CA14F

square

#1C2CA1 #A11C6F #A1911C #1CA14F

split-complementary

#1C2CA1 #A14F1C #6FA11C

monochromatic

#0A1039 #131E6D #1C2CA1 #253AD5 #5667E2

Accessibility & contrast

On white

10.91

#1C2CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1C2CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2CA1

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2CA1	#FFFFFF	#000000	##FFFFFF
##1C2CA1	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A4

Deuteranopia (green-blind)

#00369F

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1c2ca1;
/* rgb */ color: rgb(28, 44, 161);
/* oklch */ color: oklch(37.4% 0.186 268.3);

Tailwind

colors: {
  custom: {
    50: '#7266be',
    500: '#1c2ca1',
    950: '#000000',
  },
}

SCSS

$custom: #1c2ca1;
$custom-light: #7266be;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2ca1",
  "rgb": {
    "r": 28,
    "g": 44,
    "b": 161
  },
  "hsl": {
    "h": 232.782,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37438,
    "c": 0.18604,
    "h": 268.3
  },
  "luminance": 0.04621
}

Semantic roles & 50–950 ramp

primary

#1C2CA1

secondary

#C5B754

accent

#D83BED

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1C2CA1

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

Preview Lab → · Contrast checker → · Palette generator →