#1540CA#1540CA

#1540CA is a dark, highly saturated blue. Relative luminance 0.081; OKLCH L 44.8% C 0.217 H 264.7°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#1540CA
RGB	rgb(21, 64, 202)
HSL	hsl(226, 81%, 44%)
HSV	hsv(226, 90%, 79%)
CMYK	cmyk(89.6%, 68.3%, 0%, 20.8%)
CIE-LAB	lab(34.17, 40.05, -74.46)
CIE-LCH	lch(34.17, 84.55, 298.27°)
OKLab	oklab(44.81% -0.02 -0.216)
OKLCH	oklch(44.81% 0.217 264.7)
XYZ	xyz(12.7996, 8.0888, 56.7523)
Luminance	0.0809 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1540CA #CA9F15

analogous

#159ACA #1540CA #4415CA

triadic

#1540CA #CA1540 #40CA15

tetradic

#1540CA #CA159A #CA9F15 #15CA44

square

#1540CA #CA159A #CA9F15 #15CA44

split-complementary

#1540CA #CA4415 #9ACA15

monochromatic

#091D5B #0F2E93 #1540CA #325EEA #6A8AEF

Accessibility & contrast

On white

8.02

#1540CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#1540CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1540CA

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1540CA	#FFFFFF	#000000	##FFFFFF
##1540CA	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CE

Deuteranopia (green-blind)

#0048C8

Tritanopia (blue-blind)

#006780

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1540ca;
/* rgb */ color: rgb(21, 64, 202);
/* oklch */ color: oklch(44.8% 0.217 264.7);

Tailwind

colors: {
  custom: {
    50: '#7a75db',
    500: '#1540ca',
    950: '#000000',
  },
}

SCSS

$custom: #1540ca;
$custom-light: #7a75db;
$custom-dark: #000000;

JSON

{
  "hex": "#1540ca",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 202
  },
  "hsl": {
    "h": 225.746,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.44813,
    "c": 0.2169,
    "h": 264.7
  },
  "luminance": 0.0809
}

Semantic roles & 50–950 ramp

primary

#1540CA

secondary

#D5BB66

accent

#C830F8

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0B0815

muted

#7C7B83

Preview Lab

Preview with #1540CA

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

Preview Lab → · Contrast checker → · Palette generator →