#1540A0#1540A0

#1540A0 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.8% C 0.163 H 263.0°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#1540A0
RGB	rgb(21, 64, 160)
HSL	hsl(221, 77%, 35%)
HSV	hsv(221, 87%, 63%)
CMYK	cmyk(86.9%, 60%, 0%, 37.3%)
CIE-LAB	lab(30.31, 23.85, -55.88)
CIE-LCH	lch(30.31, 60.76, 293.11°)
OKLab	oklab(40.79% -0.0198 -0.1617)
OKLCH	oklch(40.79% 0.163 263)
XYZ	xyz(8.4855, 6.3632, 34.0319)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1540A0 #A07515

analogous

#1585A0 #1540A0 #2F15A0

triadic

#1540A0 #A01540 #40A015

tetradic

#1540A0 #A01585 #A07515 #15A02F

square

#1540A0 #A01585 #A07515 #15A02F

split-complementary

#1540A0 #A02F15 #85A015

monochromatic

#071534 #0E2A6A #1540A0 #1C56D6 #4879E7

Accessibility & contrast

On white

9.24

#1540A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1540A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1540A0

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1540A0	#FFFFFF	#000000	##FFFFFF
##1540A0	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA3

Deuteranopia (green-blind)

#00419E

Tritanopia (blue-blind)

#005969

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1540a0;
/* rgb */ color: rgb(21, 64, 160);
/* oklch */ color: oklch(40.8% 0.163 263.0);

Tailwind

colors: {
  custom: {
    50: '#6e74bd',
    500: '#1540a0',
    950: '#000000',
  },
}

SCSS

$custom: #1540a0;
$custom-light: #6e74bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1540a0",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 160
  },
  "hsl": {
    "h": 221.439,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.40787,
    "c": 0.1629,
    "h": 263
  },
  "luminance": 0.06364
}

Semantic roles & 50–950 ramp

primary

#1540A0

secondary

#C8A149

accent

#B834F3

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1540A0

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

Preview Lab → · Contrast checker → · Palette generator →