#1C197A#1C197A

#1C197A is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.2% C 0.156 H 273.2°. Best body text is #FFFFFF at 14.29:1 contrast (WCAG AA passes).

Color values

HEX	#1C197A
RGB	rgb(28, 25, 122)
HSL	hsl(242, 66%, 29%)
HSV	hsv(242, 80%, 48%)
CMYK	cmyk(77%, 79.5%, 0%, 52.2%)
CIE-LAB	lab(17.21, 35.54, -53.78)
CIE-LCH	lch(17.21, 64.46, 303.46°)
OKLab	oklab(30.16% 0.0087 -0.1556)
OKLCH	oklch(30.16% 0.156 273.2)
XYZ	xyz(4.3382, 2.3468, 18.6329)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C197A #777A19

analogous

#19477A #1C197A #4D197A

triadic

#1C197A #7A1C19 #197A1C

tetradic

#1C197A #7A1947 #777A19 #197A4D

square

#1C197A #7A1947 #777A19 #197A4D

split-complementary

#1C197A #7A4D19 #477A19

monochromatic

#060519 #100F47 #1C197A #2823AD #3C37D6

Accessibility & contrast

On white

14.29

#1C197A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1C197A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C197A

14.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C197A	#FFFFFF	#000000	##FFFFFF
##1C197A	1.00	14.29	1.47	14.29
#FFFFFF	14.29	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7D

Deuteranopia (green-blind)

#002678

Tritanopia (blue-blind)

#003649

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1c197a;
/* rgb */ color: rgb(28, 25, 122);
/* oklch */ color: oklch(30.2% 0.156 273.2);

Tailwind

colors: {
  custom: {
    50: '#6a58a2',
    500: '#1c197a',
    950: '#000000',
  },
}

SCSS

$custom: #1c197a;
$custom-light: #6a58a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c197a",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 122
  },
  "hsl": {
    "h": 241.856,
    "s": 65.986,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30163,
    "c": 0.15585,
    "h": 273.2
  },
  "luminance": 0.02347
}

Semantic roles & 50–950 ramp

primary

#1C197A

secondary

#ABAF40

accent

#E93FE4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #1C197A

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

Preview Lab → · Contrast checker → · Palette generator →