#1C248E#1C248E

#1C248E is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.1% C 0.170 H 270.1°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#1C248E
RGB	rgb(28, 36, 142)
HSL	hsl(236, 67%, 33%)
HSV	hsv(236, 80%, 56%)
CMYK	cmyk(80.3%, 74.6%, 0%, 44.3%)
CIE-LAB	lab(21.80, 36.04, -58.80)
CIE-LCH	lch(21.80, 68.97, 301.50°)
OKLab	oklab(34.09% 0.0003 -0.1703)
OKLCH	oklch(34.09% 0.17 270.1)
XYZ	xyz(5.9906, 3.4609, 25.9382)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C248E #8E861C

analogous

#1C5D8E #1C248E #4D1C8E

triadic

#1C248E #8E1C24 #248E1C

tetradic

#1C248E #8E1C5D #8E861C #1C8E4D

square

#1C248E #8E1C5D #8E861C #1C8E4D

split-complementary

#1C248E #8E4D1C #5D8E1C

monochromatic

#080A28 #12175B #1C248E #2631C1 #4953DB

Accessibility & contrast

On white

12.41

#1C248E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C248E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C248E

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C248E	#FFFFFF	#000000	##FFFFFF
##1C248E	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A91

Deuteranopia (green-blind)

#002F8C

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c248e;
/* rgb */ color: rgb(28, 36, 142);
/* oklch */ color: oklch(34.1% 0.170 270.1);

Tailwind

colors: {
  custom: {
    50: '#6e60b0',
    500: '#1c248e',
    950: '#000000',
  },
}

SCSS

$custom: #1c248e;
$custom-light: #6e60b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c248e",
  "rgb": {
    "r": 28,
    "g": 36,
    "b": 142
  },
  "hsl": {
    "h": 235.789,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.3409,
    "c": 0.17032,
    "h": 270.1
  },
  "luminance": 0.03462
}

Semantic roles & 50–950 ramp

primary

#1C248E

secondary

#BDB549

accent

#DE3EEA

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #1C248E

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

Preview Lab → · Contrast checker → · Palette generator →