#1C2874#1C2874

#1C2874 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.1% C 0.130 H 270.2°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#1C2874
RGB	rgb(28, 40, 116)
HSL	hsl(232, 61%, 28%)
HSV	hsv(232, 76%, 45%)
CMYK	cmyk(75.9%, 65.5%, 0%, 54.5%)
CIE-LAB	lab(20.14, 23.59, -45.11)
CIE-LCH	lch(20.14, 50.90, 297.61°)
OKLab	oklab(32.09% 0.0006 -0.1303)
OKLCH	oklch(32.09% 0.13 270.2)
XYZ	xyz(4.3890, 3.0250, 16.8722)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2874 #74681C

analogous

#1C5474 #1C2874 #3C1C74

triadic

#1C2874 #741C28 #28741C

tetradic

#1C2874 #741C54 #74681C #1C743C

square

#1C2874 #741C54 #74681C #1C743C

split-complementary

#1C2874 #743C1C #54741C

monochromatic

#060919 #101743 #1C2874 #2839A5 #3B4FD0

Accessibility & contrast

On white

13.08

#1C2874 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1C2874 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2874

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2874	#FFFFFF	#000000	##FFFFFF
##1C2874	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003576

Deuteranopia (green-blind)

#002D73

Tritanopia (blue-blind)

#003C4A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1c2874;
/* rgb */ color: rgb(28, 40, 116);
/* oklch */ color: oklch(32.1% 0.130 270.2);

Tailwind

colors: {
  custom: {
    50: '#66619d',
    500: '#1c2874',
    950: '#000000',
  },
}

SCSS

$custom: #1c2874;
$custom-light: #66619d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2874",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 116
  },
  "hsl": {
    "h": 231.818,
    "s": 61.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.32089,
    "c": 0.13031,
    "h": 270.2
  },
  "luminance": 0.03025
}

Semantic roles & 50–950 ramp

primary

#1C2874

secondary

#A89B43

accent

#CE44E4

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1C2874

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

Preview Lab → · Contrast checker → · Palette generator →