#1C53A7#1C53A7

#1C53A7 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.6% C 0.147 H 259.1°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#1C53A7
RGB	rgb(28, 83, 167)
HSL	hsl(216, 71%, 38%)
HSV	hsv(216, 83%, 65%)
CMYK	cmyk(83.2%, 50.3%, 0%, 34.5%)
CIE-LAB	lab(36.41, 14.35, -50.17)
CIE-LCH	lch(36.41, 52.19, 285.96°)
OKLab	oklab(45.64% -0.0277 -0.1444)
OKLCH	oklch(45.64% 0.147 259.1)
XYZ	xyz(10.5446, 9.2221, 37.7760)
Luminance	0.0922 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C53A7 #A7701C

analogous

#1C98A7 #1C53A7 #2A1CA7

triadic

#1C53A7 #A71C53 #53A71C

tetradic

#1C53A7 #A71C98 #A7701C #1CA72A

square

#1C53A7 #A71C98 #A7701C #1CA72A

split-complementary

#1C53A7 #A72A1C #98A71C

monochromatic

#0A1F3E #133973 #1C53A7 #266DDB #5A90E3

Accessibility & contrast

On white

7.38

#1C53A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#1C53A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C53A7

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C53A7	#FFFFFF	#000000	##FFFFFF
##1C53A7	1.00	7.38	2.84	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5CAA

Deuteranopia (green-blind)

#0050A5

Tritanopia (blue-blind)

#006775

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1c53a7;
/* rgb */ color: rgb(28, 83, 167);
/* oklch */ color: oklch(45.6% 0.147 259.1);

Tailwind

colors: {
  custom: {
    50: '#7182c2',
    500: '#1c53a7',
    950: '#000000',
  },
}

SCSS

$custom: #1c53a7;
$custom-light: #7182c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c53a7",
  "rgb": {
    "r": 28,
    "g": 83,
    "b": 167
  },
  "hsl": {
    "h": 216.259,
    "s": 71.282,
    "l": 38.235
  },
  "oklch": {
    "l": 0.45636,
    "c": 0.14709,
    "h": 259.1
  },
  "luminance": 0.09223
}

Semantic roles & 50–950 ramp

primary

#1C53A7

secondary

#C79B58

accent

#A73AEE

background

#F7F7FC

surface

#EDEEF8

border

#C8C9D1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1C53A7

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

Preview Lab → · Contrast checker → · Palette generator →