#1C198F#1C198F

#1C198F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.7% C 0.182 H 271.2°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#1C198F
RGB	rgb(28, 25, 143)
HSL	hsl(242, 70%, 33%)
HSV	hsv(242, 83%, 56%)
CMYK	cmyk(80.4%, 82.5%, 0%, 43.9%)
CIE-LAB	lab(19.74, 42.60, -62.84)
CIE-LCH	lch(19.74, 75.92, 304.14°)
OKLab	oklab(32.67% 0.0039 -0.1819)
OKLCH	oklch(32.67% 0.182 271.2)
XYZ	xyz(5.7828, 2.9247, 26.2410)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C198F #8C8F19

analogous

#19518F #1C198F #57198F

triadic

#1C198F #8F1C19 #198F1C

tetradic

#1C198F #8F1951 #8C8F19 #198F57

square

#1C198F #8F1951 #8C8F19 #198F57

split-complementary

#1C198F #8F5719 #518F19

monochromatic

#080727 #12105B #1C198F #2622C3 #4844DE

Accessibility & contrast

On white

13.25

#1C198F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1C198F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C198F

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C198F	#FFFFFF	#000000	##FFFFFF
##1C198F	1.00	13.25	1.59	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003592

Deuteranopia (green-blind)

#002A8D

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1c198f;
/* rgb */ color: rgb(28, 25, 143);
/* oklch */ color: oklch(32.7% 0.182 271.2);

Tailwind

colors: {
  custom: {
    50: '#6f59b1',
    500: '#1c198f',
    950: '#000000',
  },
}

SCSS

$custom: #1c198f;
$custom-light: #6f59b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c198f",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 143
  },
  "hsl": {
    "h": 241.525,
    "s": 70.238,
    "l": 32.941
  },
  "oklch": {
    "l": 0.32669,
    "c": 0.18194,
    "h": 271.2
  },
  "luminance": 0.02925
}

Semantic roles & 50–950 ramp

primary

#1C198F

secondary

#BCBF44

accent

#ED3BE8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1C198F

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

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