#1C2174#1C2174

#1C2174 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.8% C 0.139 H 272.2°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#1C2174
RGB	rgb(28, 33, 116)
HSL	hsl(237, 61%, 28%)
HSV	hsv(237, 76%, 45%)
CMYK	cmyk(75.9%, 71.6%, 0%, 54.5%)
CIE-LAB	lab(18.34, 28.37, -48.06)
CIE-LCH	lch(18.34, 55.81, 300.56°)
OKLab	oklab(30.78% 0.0054 -0.139)
OKLCH	oklch(30.78% 0.139 272.2)
XYZ	xyz(4.1741, 2.5951, 16.8005)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2174 #746F1C

analogous

#1C4D74 #1C2174 #431C74

triadic

#1C2174 #741C21 #21741C

tetradic

#1C2174 #741C4D #746F1C #1C7443

square

#1C2174 #741C4D #746F1C #1C7443

split-complementary

#1C2174 #74431C #4D741C

monochromatic

#060719 #101343 #1C2174 #282FA5 #3B43D0

Accessibility & contrast

On white

13.82

#1C2174 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1C2174 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2174

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2174	#FFFFFF	#000000	##FFFFFF
##1C2174	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003177

Deuteranopia (green-blind)

#002972

Tritanopia (blue-blind)

#003847

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1c2174;
/* rgb */ color: rgb(28, 33, 116);
/* oklch */ color: oklch(30.8% 0.139 272.2);

Tailwind

colors: {
  custom: {
    50: '#675c9d',
    500: '#1c2174',
    950: '#000000',
  },
}

SCSS

$custom: #1c2174;
$custom-light: #675c9d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2174",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 116
  },
  "hsl": {
    "h": 236.591,
    "s": 61.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30775,
    "c": 0.1391,
    "h": 272.2
  },
  "luminance": 0.02596
}

Semantic roles & 50–950 ramp

primary

#1C2174

secondary

#A8A343

accent

#DB44E4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1C2174

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

Preview Lab → · Contrast checker → · Palette generator →