#1C48A0#1C48A0

#1C48A0 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.7% C 0.151 H 262.2°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#1C48A0
RGB	rgb(28, 72, 160)
HSL	hsl(220, 70%, 37%)
HSV	hsv(220, 83%, 63%)
CMYK	cmyk(82.5%, 55%, 0%, 37.3%)
CIE-LAB	lab(32.74, 18.97, -51.92)
CIE-LCH	lch(32.74, 55.27, 290.07°)
OKLab	oklab(42.68% -0.0207 -0.1498)
OKLCH	oklch(42.68% 0.151 262.2)
XYZ	xyz(9.1391, 7.4186, 34.2011)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C48A0 #A0741C

analogous

#1C8AA0 #1C48A0 #321CA0

triadic

#1C48A0 #A01C48 #48A01C

tetradic

#1C48A0 #A01C8A #A0741C #1CA032

square

#1C48A0 #A01C8A #A0741C #1CA032

split-complementary

#1C48A0 #A0321C #8AA01C

monochromatic

#0A1938 #13316C #1C48A0 #255FD4 #5584E1

Accessibility & contrast

On white

8.45

#1C48A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1C48A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C48A0

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C48A0	#FFFFFF	#000000	##FFFFFF
##1C48A0	1.00	8.45	2.48	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A3

Deuteranopia (green-blind)

#00479E

Tritanopia (blue-blind)

#005E6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1c48a0;
/* rgb */ color: rgb(28, 72, 160);
/* oklch */ color: oklch(42.7% 0.151 262.2);

Tailwind

colors: {
  custom: {
    50: '#707abd',
    500: '#1c48a0',
    950: '#000000',
  },
}

SCSS

$custom: #1c48a0;
$custom-light: #707abd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c48a0",
  "rgb": {
    "r": 28,
    "g": 72,
    "b": 160
  },
  "hsl": {
    "h": 220,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.42677,
    "c": 0.15122,
    "h": 262.2
  },
  "luminance": 0.0742
}

Semantic roles & 50–950 ramp

primary

#1C48A0

secondary

#C49F53

accent

#B23BED

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1C48A0

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

Preview Lab → · Contrast checker → · Palette generator →