#1C248F#1C248F

#1C248F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.2% C 0.172 H 270.0°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#1C248F
RGB	rgb(28, 36, 143)
HSL	hsl(236, 67%, 34%)
HSV	hsv(236, 80%, 56%)
CMYK	cmyk(80.4%, 74.8%, 0%, 43.9%)
CIE-LAB	lab(21.91, 36.40, -59.25)
CIE-LCH	lch(21.91, 69.53, 301.57°)
OKLab	oklab(34.2% 0.0001 -0.1716)
OKLCH	oklch(34.2% 0.172 270)
XYZ	xyz(6.0660, 3.4911, 26.3354)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C248F #8F871C

analogous

#1C5D8F #1C248F #4D1C8F

triadic

#1C248F #8F1C24 #248F1C

tetradic

#1C248F #8F1C5D #8F871C #1C8F4D

square

#1C248F #8F1C5D #8F871C #1C8F4D

split-complementary

#1C248F #8F4D1C #5D8F1C

monochromatic

#080A29 #12175C #1C248F #2631C2 #4A54DC

Accessibility & contrast

On white

12.36

#1C248F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1C248F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C248F

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C248F	#FFFFFF	#000000	##FFFFFF
##1C248F	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#002F8D

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c248f;
/* rgb */ color: rgb(28, 36, 143);
/* oklch */ color: oklch(34.2% 0.172 270.0);

Tailwind

colors: {
  custom: {
    50: '#6e60b1',
    500: '#1c248f',
    950: '#000000',
  },
}

SCSS

$custom: #1c248f;
$custom-light: #6e60b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c248f",
  "rgb": {
    "r": 28,
    "g": 36,
    "b": 143
  },
  "hsl": {
    "h": 235.826,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.34201,
    "c": 0.1716,
    "h": 270
  },
  "luminance": 0.03492
}

Semantic roles & 50–950 ramp

primary

#1C248F

secondary

#BEB549

accent

#DE3EEA

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1C248F

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

Preview Lab → · Contrast checker → · Palette generator →