#1C298B#1C298B

#1C298B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.6% C 0.161 H 269.4°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#1C298B
RGB	rgb(28, 41, 139)
HSL	hsl(233, 66%, 33%)
HSV	hsv(233, 80%, 55%)
CMYK	cmyk(79.9%, 70.5%, 0%, 45.5%)
CIE-LAB	lab(22.64, 31.76, -55.56)
CIE-LCH	lch(22.64, 63.99, 299.76°)
OKLab	oklab(34.6% -0.0017 -0.1609)
OKLCH	oklch(34.6% 0.161 269.4)
XYZ	xyz(5.9304, 3.6962, 24.8220)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C298B #8B7E1C

analogous

#1C608B #1C298B #461C8B

triadic

#1C298B #8B1C29 #298B1C

tetradic

#1C298B #8B1C60 #8B7E1C #1C8B46

square

#1C298B #8B1C60 #8B7E1C #1C8B46

split-complementary

#1C298B #8B461C #608B1C

monochromatic

#070B25 #121A58 #1C298B #2638BE #4759DA

Accessibility & contrast

On white

12.07

#1C298B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1C298B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C298B

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C298B	#FFFFFF	#000000	##FFFFFF
##1C298B	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8E

Deuteranopia (green-blind)

#003189

Tritanopia (blue-blind)

#004456

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c298b;
/* rgb */ color: rgb(28, 41, 139);
/* oklch */ color: oklch(34.6% 0.161 269.4);

Tailwind

colors: {
  custom: {
    50: '#6d63ae',
    500: '#1c298b',
    950: '#000000',
  },
}

SCSS

$custom: #1c298b;
$custom-light: #6d63ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1c298b",
  "rgb": {
    "r": 28,
    "g": 41,
    "b": 139
  },
  "hsl": {
    "h": 232.973,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34598,
    "c": 0.16087,
    "h": 269.4
  },
  "luminance": 0.03697
}

Semantic roles & 50–950 ramp

primary

#1C298B

secondary

#BCAE47

accent

#D53EE9

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1C298B

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

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