#1C1174#1C1174

#1C1174 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.4% C 0.156 H 275.0°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#1C1174
RGB	rgb(28, 17, 116)
HSL	hsl(247, 74%, 26%)
HSV	hsv(247, 85%, 45%)
CMYK	cmyk(75.9%, 85.3%, 0%, 54.5%)
CIE-LAB	lab(15.00, 37.81, -53.58)
CIE-LCH	lch(15.00, 65.58, 305.21°)
OKLab	oklab(28.41% 0.0136 -0.1549)
OKLCH	oklch(28.41% 0.156 275)
XYZ	xyz(3.8307, 1.9083, 16.6861)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1174 #697411

analogous

#113774 #1C1174 #4D1174

triadic

#1C1174 #741C11 #11741C

tetradic

#1C1174 #741137 #697411 #11744D

square

#1C1174 #741137 #697411 #11744D

split-complementary

#1C1174 #744D11 #377411

monochromatic

#06041B #0F093F #1C1174 #2919A9 #3621DE

Accessibility & contrast

On white

15.20

#1C1174 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1C1174 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1174

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1174	#FFFFFF	#000000	##FFFFFF
##1C1174	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A77

Deuteranopia (green-blind)

#002172

Tritanopia (blue-blind)

#003044

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1c1174;
/* rgb */ color: rgb(28, 17, 116);
/* oklch */ color: oklch(28.4% 0.156 275.0);

Tailwind

colors: {
  custom: {
    50: '#69539d',
    500: '#1c1174',
    950: '#000000',
  },
}

SCSS

$custom: #1c1174;
$custom-light: #69539d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1174",
  "rgb": {
    "r": 28,
    "g": 17,
    "b": 116
  },
  "hsl": {
    "h": 246.667,
    "s": 74.436,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28407,
    "c": 0.15551,
    "h": 275
  },
  "luminance": 0.01909
}

Semantic roles & 50–950 ramp

primary

#1C1174

secondary

#9EAB36

accent

#F137DC

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1C1174

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

Preview Lab → · Contrast checker → · Palette generator →