#1A53B4#1A53B4

#1A53B4 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.6% C 0.165 H 260.5°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#1A53B4
RGB	rgb(26, 83, 180)
HSL	hsl(218, 75%, 40%)
HSV	hsv(218, 86%, 71%)
CMYK	cmyk(85.6%, 53.9%, 0%, 29.4%)
CIE-LAB	lab(37.30, 19.38, -56.44)
CIE-LCH	lch(37.30, 59.68, 288.95°)
OKLab	oklab(46.6% -0.0271 -0.1629)
OKLCH	oklch(46.6% 0.165 260.5)
XYZ	xyz(11.7545, 9.6999, 44.4239)
Luminance	0.0970 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A53B4 #B47B1A

analogous

#1AA0B4 #1A53B4 #2E1AB4

triadic

#1A53B4 #B41A53 #53B41A

tetradic

#1A53B4 #B41AA0 #B47B1A #1AB42E

square

#1A53B4 #B41AA0 #B47B1A #1AB42E

split-complementary

#1A53B4 #B42E1A #A0B41A

monochromatic

#0B2249 #123A7F #1A53B4 #2B6EE0 #6093E8

Accessibility & contrast

On white

7.14

#1A53B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#1A53B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A53B4

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A53B4	#FFFFFF	#000000	##FFFFFF
##1A53B4	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FB7

Deuteranopia (green-blind)

#0051B2

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1a53b4;
/* rgb */ color: rgb(26, 83, 180);
/* oklch */ color: oklch(46.6% 0.165 260.5);

Tailwind

colors: {
  custom: {
    50: '#7482cb',
    500: '#1a53b4',
    950: '#000000',
  },
}

SCSS

$custom: #1a53b4;
$custom-light: #7482cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a53b4",
  "rgb": {
    "r": 26,
    "g": 83,
    "b": 180
  },
  "hsl": {
    "h": 217.792,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.466,
    "c": 0.16516,
    "h": 260.5
  },
  "luminance": 0.09701
}

Semantic roles & 50–950 ramp

primary

#1A53B4

secondary

#CCA35D

accent

#AC36F1

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1A53B4

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

Preview Lab → · Contrast checker → · Palette generator →