#1C1673#1C1673

#1C1673 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.9% C 0.150 H 274.5°. Best body text is #FFFFFF at 14.88:1 contrast (WCAG AA passes).

Color values

HEX	#1C1673
RGB	rgb(28, 22, 115)
HSL	hsl(244, 68%, 27%)
HSV	hsv(244, 81%, 45%)
CMYK	cmyk(75.7%, 80.9%, 0%, 54.9%)
CIE-LAB	lab(15.79, 34.83, -51.63)
CIE-LCH	lch(15.79, 62.28, 304.01°)
OKLab	oklab(28.92% 0.0117 -0.1493)
OKLCH	oklch(28.92% 0.15 274.5)
XYZ	xyz(3.8593, 2.0581, 16.4102)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1673 #6D7316

analogous

#163F73 #1C1673 #4B1673

triadic

#1C1673 #731C16 #16731C

tetradic

#1C1673 #73163F #6D7316 #16734B

square

#1C1673 #73163F #6D7316 #16734B

split-complementary

#1C1673 #734B16 #3F7316

monochromatic

#06051A #0F0C40 #1C1673 #2920A6 #382DD7

Accessibility & contrast

On white

14.88

#1C1673 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1C1673 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1673

14.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1673	#FFFFFF	#000000	##FFFFFF
##1C1673	1.00	14.88	1.41	14.88
#FFFFFF	14.88	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B76

Deuteranopia (green-blind)

#002371

Tritanopia (blue-blind)

#003244

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1c1673;
/* rgb */ color: rgb(28, 22, 115);
/* oklch */ color: oklch(28.9% 0.150 274.5);

Tailwind

colors: {
  custom: {
    50: '#68559c',
    500: '#1c1673',
    950: '#000000',
  },
}

SCSS

$custom: #1c1673;
$custom-light: #68559c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1673",
  "rgb": {
    "r": 28,
    "g": 22,
    "b": 115
  },
  "hsl": {
    "h": 243.871,
    "s": 67.883,
    "l": 26.863
  },
  "oklch": {
    "l": 0.28922,
    "c": 0.14978,
    "h": 274.5
  },
  "luminance": 0.02058
}

Semantic roles & 50–950 ramp

primary

#1C1673

secondary

#A2A93C

accent

#EB3DE0

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C1673

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

Preview Lab → · Contrast checker → · Palette generator →