#1C198D#1C198D

#1C198D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.180 H 271.4°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#1C198D
RGB	rgb(28, 25, 141)
HSL	hsl(242, 70%, 33%)
HSV	hsv(242, 82%, 55%)
CMYK	cmyk(80.1%, 82.3%, 0%, 44.7%)
CIE-LAB	lab(19.49, 41.95, -62.00)
CIE-LCH	lch(19.49, 74.86, 304.08°)
OKLab	oklab(32.43% 0.0044 -0.1795)
OKLCH	oklch(32.43% 0.18 271.4)
XYZ	xyz(5.6326, 2.8646, 25.4502)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C198D #8A8D19

analogous

#19508D #1C198D #56198D

triadic

#1C198D #8D1C19 #198D1C

tetradic

#1C198D #8D1950 #8A8D19 #198D56

square

#1C198D #8D1950 #8A8D19 #198D56

split-complementary

#1C198D #8D5619 #508D19

monochromatic

#070725 #121059 #1C198D #2622C1 #4743DE

Accessibility & contrast

On white

13.35

#1C198D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1C198D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C198D

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C198D	#FFFFFF	#000000	##FFFFFF
##1C198D	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003590

Deuteranopia (green-blind)

#00298B

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c198d;
/* rgb */ color: rgb(28, 25, 141);
/* oklch */ color: oklch(32.4% 0.180 271.4);

Tailwind

colors: {
  custom: {
    50: '#6f59b0',
    500: '#1c198d',
    950: '#000000',
  },
}

SCSS

$custom: #1c198d;
$custom-light: #6f59b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c198d",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 141
  },
  "hsl": {
    "h": 241.552,
    "s": 69.88,
    "l": 32.549
  },
  "oklch": {
    "l": 0.32426,
    "c": 0.17952,
    "h": 271.4
  },
  "luminance": 0.02865
}

Semantic roles & 50–950 ramp

primary

#1C198D

secondary

#BBBF43

accent

#ED3BE8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1C198D

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

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