#1C1671#1C1671

#1C1671 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.7% C 0.147 H 274.8°. Best body text is #FFFFFF at 14.97:1 contrast (WCAG AA passes).

Color values

HEX	#1C1671
RGB	rgb(28, 22, 113)
HSL	hsl(244, 67%, 26%)
HSV	hsv(244, 81%, 44%)
CMYK	cmyk(75.2%, 80.5%, 0%, 55.7%)
CIE-LAB	lab(15.55, 34.14, -50.72)
CIE-LCH	lch(15.55, 61.14, 303.95°)
OKLab	oklab(28.69% 0.0122 -0.1467)
OKLCH	oklch(28.69% 0.147 274.8)
XYZ	xyz(3.7454, 2.0126, 15.8107)
Luminance	0.0201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1671 #6B7116

analogous

#163E71 #1C1671 #4A1671

triadic

#1C1671 #711C16 #16711C

tetradic

#1C1671 #71163E #6B7116 #16714A

square

#1C1671 #71163E #6B7116 #16714A

split-complementary

#1C1671 #714A16 #3E7116

monochromatic

#06051A #0F0C3E #1C1671 #2920A4 #372CD6

Accessibility & contrast

On white

14.97

#1C1671 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#1C1671 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1671

14.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1671	#FFFFFF	#000000	##FFFFFF
##1C1671	1.00	14.97	1.40	14.97
#FFFFFF	14.97	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B74

Deuteranopia (green-blind)

#00236F

Tritanopia (blue-blind)

#003143

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1c1671;
/* rgb */ color: rgb(28, 22, 113);
/* oklch */ color: oklch(28.7% 0.147 274.8);

Tailwind

colors: {
  custom: {
    50: '#68559b',
    500: '#1c1671',
    950: '#000000',
  },
}

SCSS

$custom: #1c1671;
$custom-light: #68559b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1671",
  "rgb": {
    "r": 28,
    "g": 22,
    "b": 113
  },
  "hsl": {
    "h": 243.956,
    "s": 67.407,
    "l": 26.471
  },
  "oklch": {
    "l": 0.28686,
    "c": 0.1472,
    "h": 274.8
  },
  "luminance": 0.02013
}

Semantic roles & 50–950 ramp

primary

#1C1671

secondary

#A0A73C

accent

#EA3EDF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C1671

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

Preview Lab → · Contrast checker → · Palette generator →