#1E53A0#1E53A0

#1E53A0 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.2% C 0.137 H 258.3°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#1E53A0
RGB	rgb(30, 83, 160)
HSL	hsl(216, 68%, 37%)
HSV	hsv(216, 81%, 63%)
CMYK	cmyk(81.3%, 48.1%, 0%, 37.3%)
CIE-LAB	lab(35.98, 11.75, -46.67)
CIE-LCH	lch(35.98, 48.13, 284.13°)
OKLab	oklab(45.17% -0.0277 -0.1341)
OKLCH	oklch(45.17% 0.137 258.3)
XYZ	xyz(9.9715, 8.9994, 34.4624)
Luminance	0.0900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E53A0 #A06B1E

analogous

#1E94A0 #1E53A0 #2A1EA0

triadic

#1E53A0 #A01E53 #53A01E

tetradic

#1E53A0 #A01E94 #A06B1E #1EA02A

square

#1E53A0 #A01E94 #A06B1E #1EA02A

split-complementary

#1E53A0 #A02A1E #94A01E

monochromatic

#0B1E39 #14386C #1E53A0 #286ED4 #5990E0

Accessibility & contrast

On white

7.50

#1E53A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#1E53A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E53A0

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E53A0	#FFFFFF	#000000	##FFFFFF
##1E53A0	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285BA3

Deuteranopia (green-blind)

#004F9E

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1e53a0;
/* rgb */ color: rgb(30, 83, 160);
/* oklch */ color: oklch(45.2% 0.137 258.3);

Tailwind

colors: {
  custom: {
    50: '#7082bd',
    500: '#1e53a0',
    950: '#000000',
  },
}

SCSS

$custom: #1e53a0;
$custom-light: #7082bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1e53a0",
  "rgb": {
    "r": 30,
    "g": 83,
    "b": 160
  },
  "hsl": {
    "h": 215.538,
    "s": 68.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.45172,
    "c": 0.13695,
    "h": 258.3
  },
  "luminance": 0.09001
}

Semantic roles & 50–950 ramp

primary

#1E53A0

secondary

#C49756

accent

#A43DEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1E53A0

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

Preview Lab → · Contrast checker → · Palette generator →