#1E53A1#1E53A1

#1E53A1 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.2% C 0.138 H 258.5°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#1E53A1
RGB	rgb(30, 83, 161)
HSL	hsl(216, 69%, 37%)
HSV	hsv(216, 81%, 63%)
CMYK	cmyk(81.4%, 48.4%, 0%, 36.9%)
CIE-LAB	lab(36.05, 12.15, -47.16)
CIE-LCH	lch(36.05, 48.70, 284.45°)
OKLab	oklab(45.25% -0.0275 -0.1356)
OKLCH	oklch(45.25% 0.138 258.5)
XYZ	xyz(10.0593, 9.0345, 34.9250)
Luminance	0.0904 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E53A1 #A16C1E

analogous

#1E95A1 #1E53A1 #2A1EA1

triadic

#1E53A1 #A11E53 #53A11E

tetradic

#1E53A1 #A11E95 #A16C1E #1EA12A

square

#1E53A1 #A11E95 #A16C1E #1EA12A

split-complementary

#1E53A1 #A12A1E #95A11E

monochromatic

#0B1E3A #14386D #1E53A1 #286ED5 #5990E0

Accessibility & contrast

On white

7.48

#1E53A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#1E53A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E53A1

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E53A1	#FFFFFF	#000000	##FFFFFF
##1E53A1	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275BA4

Deuteranopia (green-blind)

#004F9F

Tritanopia (blue-blind)

#006672

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1e53a1;
/* rgb */ color: rgb(30, 83, 161);
/* oklch */ color: oklch(45.2% 0.138 258.5);

Tailwind

colors: {
  custom: {
    50: '#7082bd',
    500: '#1e53a1',
    950: '#000000',
  },
}

SCSS

$custom: #1e53a1;
$custom-light: #7082bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1e53a1",
  "rgb": {
    "r": 30,
    "g": 83,
    "b": 161
  },
  "hsl": {
    "h": 215.725,
    "s": 68.586,
    "l": 37.451
  },
  "oklch": {
    "l": 0.45245,
    "c": 0.13833,
    "h": 258.5
  },
  "luminance": 0.09036
}

Semantic roles & 50–950 ramp

primary

#1E53A1

secondary

#C49857

accent

#A53CEB

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1E53A1

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

Preview Lab → · Contrast checker → · Palette generator →