#1539A0#1539A0

#1539A0 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.4% C 0.172 H 264.6°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#1539A0
RGB	rgb(21, 57, 160)
HSL	hsl(224, 77%, 35%)
HSV	hsv(224, 87%, 63%)
CMYK	cmyk(86.9%, 64.4%, 0%, 37.3%)
CIE-LAB	lab(28.44, 28.62, -58.94)
CIE-LCH	lch(28.44, 65.52, 295.90°)
OKLab	oklab(39.39% -0.0162 -0.1708)
OKLCH	oklch(39.39% 0.172 264.6)
XYZ	xyz(8.1153, 5.6227, 33.9085)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1539A0 #A07C15

analogous

#157FA0 #1539A0 #3615A0

triadic

#1539A0 #A01539 #39A015

tetradic

#1539A0 #A0157F #A07C15 #15A036

square

#1539A0 #A0157F #A07C15 #15A036

split-complementary

#1539A0 #A03615 #7FA015

monochromatic

#071234 #0E266A #1539A0 #1C4CD6 #4871E7

Accessibility & contrast

On white

9.88

#1539A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1539A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1539A0

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1539A0	#FFFFFF	#000000	##FFFFFF
##1539A0	1.00	9.88	2.12	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA3

Deuteranopia (green-blind)

#003D9E

Tritanopia (blue-blind)

#005467

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1539a0;
/* rgb */ color: rgb(21, 57, 160);
/* oklch */ color: oklch(39.4% 0.172 264.6);

Tailwind

colors: {
  custom: {
    50: '#6f6fbd',
    500: '#1539a0',
    950: '#000000',
  },
}

SCSS

$custom: #1539a0;
$custom-light: #6f6fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1539a0",
  "rgb": {
    "r": 21,
    "g": 57,
    "b": 160
  },
  "hsl": {
    "h": 224.46,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39393,
    "c": 0.17153,
    "h": 264.6
  },
  "luminance": 0.05624
}

Semantic roles & 50–950 ramp

primary

#1539A0

secondary

#C8A749

accent

#C234F3

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1539A0

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

Preview Lab → · Contrast checker → · Palette generator →