#1C2872#1C2872

#1C2872 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 31.9% C 0.127 H 270.3°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#1C2872
RGB	rgb(28, 40, 114)
HSL	hsl(232, 61%, 28%)
HSV	hsv(232, 75%, 45%)
CMYK	cmyk(75.4%, 64.9%, 0%, 55.3%)
CIE-LAB	lab(19.96, 22.80, -44.12)
CIE-LCH	lch(19.96, 49.67, 297.33°)
OKLab	oklab(31.9% 0.0006 -0.1274)
OKLCH	oklch(31.9% 0.127 270.3)
XYZ	xyz(4.2739, 2.9789, 16.2661)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2872 #72661C

analogous

#1C5372 #1C2872 #3B1C72

triadic

#1C2872 #721C28 #28721C

tetradic

#1C2872 #721C53 #72661C #1C723B

square

#1C2872 #721C53 #72661C #1C723B

split-complementary

#1C2872 #723B1C #53721C

monochromatic

#060919 #101741 #1C2872 #2839A3 #3A4FCF

Accessibility & contrast

On white

13.16

#1C2872 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1C2872 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2872

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2872	#FFFFFF	#000000	##FFFFFF
##1C2872	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003474

Deuteranopia (green-blind)

#002C71

Tritanopia (blue-blind)

#003B49

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1c2872;
/* rgb */ color: rgb(28, 40, 114);
/* oklch */ color: oklch(31.9% 0.127 270.3);

Tailwind

colors: {
  custom: {
    50: '#66619b',
    500: '#1c2872',
    950: '#000000',
  },
}

SCSS

$custom: #1c2872;
$custom-light: #66619b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2872",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 114
  },
  "hsl": {
    "h": 231.628,
    "s": 60.563,
    "l": 27.843
  },
  "oklch": {
    "l": 0.31896,
    "c": 0.12742,
    "h": 270.3
  },
  "luminance": 0.02979
}

Semantic roles & 50–950 ramp

primary

#1C2872

secondary

#A69943

accent

#CD44E4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1C2872

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

Preview Lab → · Contrast checker → · Palette generator →