#1E53A9#1E53A9

#1E53A9 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.8% C 0.149 H 259.9°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#1E53A9
RGB	rgb(30, 83, 169)
HSL	hsl(217, 70%, 39%)
HSV	hsv(217, 82%, 66%)
CMYK	cmyk(82.2%, 50.9%, 0%, 33.7%)
CIE-LAB	lab(36.60, 15.34, -51.05)
CIE-LCH	lch(36.60, 53.30, 286.73°)
OKLab	oklab(45.85% -0.0263 -0.147)
OKLCH	oklch(45.85% 0.149 259.9)
XYZ	xyz(10.7875, 9.3258, 38.7599)
Luminance	0.0933 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E53A9 #A9741E

analogous

#1E99A9 #1E53A9 #2E1EA9

triadic

#1E53A9 #A91E53 #53A91E

tetradic

#1E53A9 #A91E99 #A9741E #1EA92E

square

#1E53A9 #A91E99 #A9741E #1EA92E

split-complementary

#1E53A9 #A92E1E #99A91E

monochromatic

#0C2041 #153975 #1E53A9 #2B6DD9 #5F91E3

Accessibility & contrast

On white

7.33

#1E53A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#1E53A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E53A9

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E53A9	#FFFFFF	#000000	##FFFFFF
##1E53A9	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C5DAC

Deuteranopia (green-blind)

#0050A7

Tritanopia (blue-blind)

#006876

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1e53a9;
/* rgb */ color: rgb(30, 83, 169);
/* oklch */ color: oklch(45.8% 0.149 259.9);

Tailwind

colors: {
  custom: {
    50: '#7282c3',
    500: '#1e53a9',
    950: '#000000',
  },
}

SCSS

$custom: #1e53a9;
$custom-light: #7282c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1e53a9",
  "rgb": {
    "r": 30,
    "g": 83,
    "b": 169
  },
  "hsl": {
    "h": 217.122,
    "s": 69.849,
    "l": 39.02
  },
  "oklch": {
    "l": 0.45847,
    "c": 0.14933,
    "h": 259.9
  },
  "luminance": 0.09327
}

Semantic roles & 50–950 ramp

primary

#1E53A9

secondary

#C79E5C

accent

#A93BED

background

#F7F7FC

surface

#EDEEF8

border

#C8C9D1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1E53A9

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

Preview Lab → · Contrast checker → · Palette generator →