#1C298A#1C298A

#1C298A is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.5% C 0.160 H 269.4°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#1C298A
RGB	rgb(28, 41, 138)
HSL	hsl(233, 66%, 33%)
HSV	hsv(233, 80%, 54%)
CMYK	cmyk(79.7%, 70.3%, 0%, 45.9%)
CIE-LAB	lab(22.54, 31.38, -55.10)
CIE-LCH	lch(22.54, 63.41, 299.67°)
OKLab	oklab(34.49% -0.0016 -0.1595)
OKLCH	oklch(34.49% 0.16 269.4)
XYZ	xyz(5.8577, 3.6671, 24.4389)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C298A #8A7D1C

analogous

#1C608A #1C298A #461C8A

triadic

#1C298A #8A1C29 #298A1C

tetradic

#1C298A #8A1C60 #8A7D1C #1C8A46

square

#1C298A #8A1C60 #8A7D1C #1C8A46

split-complementary

#1C298A #8A461C #608A1C

monochromatic

#070B24 #121A57 #1C298A #2638BD #4758DA

Accessibility & contrast

On white

12.11

#1C298A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1C298A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C298A

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C298A	#FFFFFF	#000000	##FFFFFF
##1C298A	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8D

Deuteranopia (green-blind)

#003188

Tritanopia (blue-blind)

#004456

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c298a;
/* rgb */ color: rgb(28, 41, 138);
/* oklch */ color: oklch(34.5% 0.160 269.4);

Tailwind

colors: {
  custom: {
    50: '#6c63ad',
    500: '#1c298a',
    950: '#000000',
  },
}

SCSS

$custom: #1c298a;
$custom-light: #6c63ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c298a",
  "rgb": {
    "r": 28,
    "g": 41,
    "b": 138
  },
  "hsl": {
    "h": 232.909,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.34494,
    "c": 0.15954,
    "h": 269.4
  },
  "luminance": 0.03668
}

Semantic roles & 50–950 ramp

primary

#1C298A

secondary

#BBAE46

accent

#D53FE9

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1C298A

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

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