#1C248C#1C248C

#1C248C is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.9% C 0.168 H 270.2°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#1C248C
RGB	rgb(28, 36, 140)
HSL	hsl(236, 67%, 33%)
HSV	hsv(236, 80%, 55%)
CMYK	cmyk(80%, 74.3%, 0%, 45.1%)
CIE-LAB	lab(21.58, 35.32, -57.92)
CIE-LCH	lch(21.58, 67.84, 301.37°)
OKLab	oklab(33.87% 0.0006 -0.1677)
OKLCH	oklch(33.87% 0.168 270.2)
XYZ	xyz(5.8418, 3.4014, 25.1545)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C248C #8C841C

analogous

#1C5C8C #1C248C #4C1C8C

triadic

#1C248C #8C1C24 #248C1C

tetradic

#1C248C #8C1C5C #8C841C #1C8C4C

square

#1C248C #8C1C5C #8C841C #1C8C4C

split-complementary

#1C248C #8C4C1C #5C8C1C

monochromatic

#080A26 #121759 #1C248C #2631BF #4852DA

Accessibility & contrast

On white

12.50

#1C248C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1C248C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C248C

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C248C	#FFFFFF	#000000	##FFFFFF
##1C248C	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398F

Deuteranopia (green-blind)

#002E8A

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c248c;
/* rgb */ color: rgb(28, 36, 140);
/* oklch */ color: oklch(33.9% 0.168 270.2);

Tailwind

colors: {
  custom: {
    50: '#6d5faf',
    500: '#1c248c',
    950: '#000000',
  },
}

SCSS

$custom: #1c248c;
$custom-light: #6d5faf;
$custom-dark: #000000;

JSON

{
  "hex": "#1c248c",
  "rgb": {
    "r": 28,
    "g": 36,
    "b": 140
  },
  "hsl": {
    "h": 235.714,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33869,
    "c": 0.16774,
    "h": 270.2
  },
  "luminance": 0.03402
}

Semantic roles & 50–950 ramp

primary

#1C248C

secondary

#BCB448

accent

#DD3EEA

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080510

muted

#7B797F

Preview Lab

Preview with #1C248C

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

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