#1C298E#1C298E

#1C298E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.9% C 0.165 H 269.3°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#1C298E
RGB	rgb(28, 41, 142)
HSL	hsl(233, 67%, 33%)
HSV	hsv(233, 80%, 56%)
CMYK	cmyk(80.3%, 71.1%, 0%, 44.3%)
CIE-LAB	lab(22.95, 32.88, -56.92)
CIE-LCH	lch(22.95, 65.73, 300.02°)
OKLab	oklab(34.91% -0.002 -0.1648)
OKLCH	oklch(34.91% 0.165 269.3)
XYZ	xyz(6.1526, 3.7850, 25.9923)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C298E #8E811C

analogous

#1C628E #1C298E #481C8E

triadic

#1C298E #8E1C29 #298E1C

tetradic

#1C298E #8E1C62 #8E811C #1C8E48

square

#1C298E #8E1C62 #8E811C #1C8E48

split-complementary

#1C298E #8E481C #628E1C

monochromatic

#080B28 #121A5B #1C298E #2638C1 #495ADB

Accessibility & contrast

On white

11.95

#1C298E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1C298E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C298E

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C298E	#FFFFFF	#000000	##FFFFFF
##1C298E	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C91

Deuteranopia (green-blind)

#00318C

Tritanopia (blue-blind)

#004558

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c298e;
/* rgb */ color: rgb(28, 41, 142);
/* oklch */ color: oklch(34.9% 0.165 269.3);

Tailwind

colors: {
  custom: {
    50: '#6d63b0',
    500: '#1c298e',
    950: '#000000',
  },
}

SCSS

$custom: #1c298e;
$custom-light: #6d63b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c298e",
  "rgb": {
    "r": 28,
    "g": 41,
    "b": 142
  },
  "hsl": {
    "h": 233.158,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.34913,
    "c": 0.16484,
    "h": 269.3
  },
  "luminance": 0.03786
}

Semantic roles & 50–950 ramp

primary

#1C298E

secondary

#BDB049

accent

#D63EEA

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #1C298E

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

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