#1C48A6#1C48A6

#1C48A6 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.2% C 0.159 H 262.7°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#1C48A6
RGB	rgb(28, 72, 166)
HSL	hsl(221, 71%, 38%)
HSV	hsv(221, 83%, 65%)
CMYK	cmyk(83.1%, 56.6%, 0%, 34.9%)
CIE-LAB	lab(33.21, 21.37, -54.76)
CIE-LCH	lch(33.21, 58.79, 291.31°)
OKLab	oklab(43.18% -0.0201 -0.1582)
OKLCH	oklch(43.18% 0.159 262.7)
XYZ	xyz(9.6767, 7.6336, 37.0324)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C48A6 #A67A1C

analogous

#1C8DA6 #1C48A6 #351CA6

triadic

#1C48A6 #A61C48 #48A61C

tetradic

#1C48A6 #A61C8D #A67A1C #1CA635

square

#1C48A6 #A61C8D #A67A1C #1CA635

split-complementary

#1C48A6 #A6351C #8DA61C

monochromatic

#0A1B3D #133172 #1C48A6 #255FDA #5985E3

Accessibility & contrast

On white

8.31

#1C48A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1C48A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C48A6

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C48A6	#FFFFFF	#000000	##FFFFFF
##1C48A6	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A9

Deuteranopia (green-blind)

#0048A4

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c48a6;
/* rgb */ color: rgb(28, 72, 166);
/* oklch */ color: oklch(43.2% 0.159 262.7);

Tailwind

colors: {
  custom: {
    50: '#717ac1',
    500: '#1c48a6',
    950: '#000000',
  },
}

SCSS

$custom: #1c48a6;
$custom-light: #717ac1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c48a6",
  "rgb": {
    "r": 28,
    "g": 72,
    "b": 166
  },
  "hsl": {
    "h": 220.87,
    "s": 71.134,
    "l": 38.039
  },
  "oklch": {
    "l": 0.43177,
    "c": 0.15945,
    "h": 262.7
  },
  "luminance": 0.07635
}

Semantic roles & 50–950 ramp

primary

#1C48A6

secondary

#C7A357

accent

#B53AEE

background

#F7F7FC

surface

#EDEDF8

border

#C8C8D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1C48A6

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

Preview Lab → · Contrast checker → · Palette generator →