#1C54B4#1C54B4

#1C54B4 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.9% C 0.163 H 260.6°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#1C54B4
RGB	rgb(28, 84, 180)
HSL	hsl(218, 73%, 41%)
HSV	hsv(218, 84%, 71%)
CMYK	cmyk(84.4%, 53.3%, 0%, 29.4%)
CIE-LAB	lab(37.63, 18.87, -55.91)
CIE-LCH	lch(37.63, 59.00, 288.65°)
OKLab	oklab(46.87% -0.0268 -0.1613)
OKLCH	oklch(46.87% 0.163 260.6)
XYZ	xyz(11.8844, 9.8813, 44.4521)
Luminance	0.0988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C54B4 #B47C1C

analogous

#1CA0B4 #1C54B4 #301CB4

triadic

#1C54B4 #B41C54 #54B41C

tetradic

#1C54B4 #B41CA0 #B47C1C #1CB430

square

#1C54B4 #B41CA0 #B47C1C #1CB430

split-complementary

#1C54B4 #B4301C #A0B41C

monochromatic

#0C234A #143B7F #1C54B4 #2F6FDF #6494E7

Accessibility & contrast

On white

7.06

#1C54B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#1C54B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C54B4

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C54B4	#FFFFFF	#000000	##FFFFFF
##1C54B4	1.00	7.06	2.98	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0560B7

Deuteranopia (green-blind)

#0052B2

Tritanopia (blue-blind)

#006C7C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1c54b4;
/* rgb */ color: rgb(28, 84, 180);
/* oklch */ color: oklch(46.9% 0.163 260.6);

Tailwind

colors: {
  custom: {
    50: '#7483cb',
    500: '#1c54b4',
    950: '#000000',
  },
}

SCSS

$custom: #1c54b4;
$custom-light: #7483cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c54b4",
  "rgb": {
    "r": 28,
    "g": 84,
    "b": 180
  },
  "hsl": {
    "h": 217.895,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.46865,
    "c": 0.16349,
    "h": 260.6
  },
  "luminance": 0.09883
}

Semantic roles & 50–950 ramp

primary

#1C54B4

secondary

#CCA460

accent

#AC38F0

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1C54B4

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

Preview Lab → · Contrast checker → · Palette generator →