#1C298C#1C298C

#1C298C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.7% C 0.162 H 269.4°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#1C298C
RGB	rgb(28, 41, 140)
HSL	hsl(233, 67%, 33%)
HSV	hsv(233, 80%, 55%)
CMYK	cmyk(80%, 70.7%, 0%, 45.1%)
CIE-LAB	lab(22.74, 32.14, -56.01)
CIE-LCH	lch(22.74, 64.57, 299.84°)
OKLab	oklab(34.7% -0.0018 -0.1622)
OKLCH	oklch(34.7% 0.162 269.4)
XYZ	xyz(6.0038, 3.7255, 25.2085)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C298C #8C7F1C

analogous

#1C618C #1C298C #471C8C

triadic

#1C298C #8C1C29 #298C1C

tetradic

#1C298C #8C1C61 #8C7F1C #1C8C47

square

#1C298C #8C1C61 #8C7F1C #1C8C47

split-complementary

#1C298C #8C471C #618C1C

monochromatic

#080B26 #121A59 #1C298C #2638BF #4859DA

Accessibility & contrast

On white

12.03

#1C298C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1C298C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C298C

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C298C	#FFFFFF	#000000	##FFFFFF
##1C298C	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8F

Deuteranopia (green-blind)

#00318A

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c298c;
/* rgb */ color: rgb(28, 41, 140);
/* oklch */ color: oklch(34.7% 0.162 269.4);

Tailwind

colors: {
  custom: {
    50: '#6d63af',
    500: '#1c298c',
    950: '#000000',
  },
}

SCSS

$custom: #1c298c;
$custom-light: #6d63af;
$custom-dark: #000000;

JSON

{
  "hex": "#1c298c",
  "rgb": {
    "r": 28,
    "g": 41,
    "b": 140
  },
  "hsl": {
    "h": 233.036,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34703,
    "c": 0.1622,
    "h": 269.4
  },
  "luminance": 0.03726
}

Semantic roles & 50–950 ramp

primary

#1C298C

secondary

#BCAF48

accent

#D63EEA

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#080510

muted

#7B797F

Preview Lab

Preview with #1C298C

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

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