#15398F#15398F

#15398F is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.8% C 0.148 H 263.6°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#15398F
RGB	rgb(21, 57, 143)
HSL	hsl(222, 74%, 32%)
HSV	hsv(222, 85%, 56%)
CMYK	cmyk(85.3%, 60.1%, 0%, 43.9%)
CIE-LAB	lab(26.93, 21.80, -51.02)
CIE-LCH	lch(26.93, 55.49, 293.14°)
OKLab	oklab(37.8% -0.0165 -0.1475)
OKLCH	oklch(37.8% 0.148 263.6)
XYZ	xyz(6.7285, 5.0680, 26.6049)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15398F #8F6B15

analogous

#15768F #15398F #2E158F

triadic

#15398F #8F1539 #398F15

tetradic

#15398F #8F1576 #8F6B15 #158F2E

square

#15398F #8F1576 #8F6B15 #158F2E

split-complementary

#15398F #8F2E15 #768F15

monochromatic

#050E24 #0D245A #15398F #1D4EC4 #3C6DE2

Accessibility & contrast

On white

10.43

#15398F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#15398F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15398F

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15398F	#FFFFFF	#000000	##FFFFFF
##15398F	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004592

Deuteranopia (green-blind)

#003A8D

Tritanopia (blue-blind)

#004F5E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #15398f;
/* rgb */ color: rgb(21, 57, 143);
/* oklch */ color: oklch(37.8% 0.148 263.6);

Tailwind

colors: {
  custom: {
    50: '#6a6eb1',
    500: '#15398f',
    950: '#000000',
  },
}

SCSS

$custom: #15398f;
$custom-light: #6a6eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#15398f",
  "rgb": {
    "r": 21,
    "g": 57,
    "b": 143
  },
  "hsl": {
    "h": 222.295,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.378,
    "c": 0.14847,
    "h": 263.6
  },
  "luminance": 0.05069
}

Semantic roles & 50–950 ramp

primary

#15398F

secondary

#C29B3E

accent

#BA37F1

background

#F6F6FB

surface

#ECEBF6

border

#C7C6D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #15398F

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

Preview Lab → · Contrast checker → · Palette generator →