#1C1775#1C1775

#1C1775 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.3% C 0.151 H 274.1°. Best body text is #FFFFFF at 14.70:1 contrast (WCAG AA passes).

Color values

HEX	#1C1775
RGB	rgb(28, 23, 117)
HSL	hsl(243, 67%, 27%)
HSV	hsv(243, 80%, 46%)
CMYK	cmyk(76.1%, 80.3%, 0%, 54.1%)
CIE-LAB	lab(16.22, 34.95, -52.20)
CIE-LCH	lch(16.22, 62.82, 303.81°)
OKLab	oklab(29.3% 0.0108 -0.151)
OKLCH	oklch(29.3% 0.151 274.1)
XYZ	xyz(3.9951, 2.1436, 17.0294)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1775 #707517

analogous

#174175 #1C1775 #4B1775

triadic

#1C1775 #751C17 #17751C

tetradic

#1C1775 #751741 #707517 #17754B

square

#1C1775 #751741 #707517 #17754B

split-complementary

#1C1775 #754B17 #417517

monochromatic

#06051A #100D42 #1C1775 #2821A8 #3930D6

Accessibility & contrast

On white

14.70

#1C1775 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1C1775 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1775

14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1775	#FFFFFF	#000000	##FFFFFF
##1C1775	1.00	14.70	1.43	14.70
#FFFFFF	14.70	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D78

Deuteranopia (green-blind)

#002473

Tritanopia (blue-blind)

#003345

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1c1775;
/* rgb */ color: rgb(28, 23, 117);
/* oklch */ color: oklch(29.3% 0.151 274.1);

Tailwind

colors: {
  custom: {
    50: '#68569e',
    500: '#1c1775',
    950: '#000000',
  },
}

SCSS

$custom: #1c1775;
$custom-light: #68569e;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1775",
  "rgb": {
    "r": 28,
    "g": 23,
    "b": 117
  },
  "hsl": {
    "h": 243.191,
    "s": 67.143,
    "l": 27.451
  },
  "oklch": {
    "l": 0.29296,
    "c": 0.15138,
    "h": 274.1
  },
  "luminance": 0.02144
}

Semantic roles & 50–950 ramp

primary

#1C1775

secondary

#A5AA3D

accent

#EA3EE1

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C1775

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

Preview Lab → · Contrast checker → · Palette generator →