#1C198E#1C198E

#1C198E is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.5% C 0.181 H 271.3°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#1C198E
RGB	rgb(28, 25, 142)
HSL	hsl(242, 70%, 33%)
HSV	hsv(242, 82%, 56%)
CMYK	cmyk(80.3%, 82.4%, 0%, 44.3%)
CIE-LAB	lab(19.62, 42.28, -62.42)
CIE-LCH	lch(19.62, 75.39, 304.11°)
OKLab	oklab(32.55% 0.0041 -0.1807)
OKLCH	oklch(32.55% 0.181 271.3)
XYZ	xyz(5.7074, 2.8945, 25.8438)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C198E #8B8E19

analogous

#19518E #1C198E #56198E

triadic

#1C198E #8E1C19 #198E1C

tetradic

#1C198E #8E1951 #8B8E19 #198E56

square

#1C198E #8E1951 #8B8E19 #198E56

split-complementary

#1C198E #8E5619 #518E19

monochromatic

#070726 #12105A #1C198E #2622C2 #4743DE

Accessibility & contrast

On white

13.30

#1C198E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1C198E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C198E

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C198E	#FFFFFF	#000000	##FFFFFF
##1C198E	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003591

Deuteranopia (green-blind)

#00298C

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c198e;
/* rgb */ color: rgb(28, 25, 142);
/* oklch */ color: oklch(32.5% 0.181 271.3);

Tailwind

colors: {
  custom: {
    50: '#6f59b0',
    500: '#1c198e',
    950: '#000000',
  },
}

SCSS

$custom: #1c198e;
$custom-light: #6f59b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c198e",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 142
  },
  "hsl": {
    "h": 241.538,
    "s": 70.06,
    "l": 32.745
  },
  "oklch": {
    "l": 0.32547,
    "c": 0.18074,
    "h": 271.3
  },
  "luminance": 0.02895
}

Semantic roles & 50–950 ramp

primary

#1C198E

secondary

#BCBF44

accent

#ED3BE8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1C198E

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

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