#15398D#15398D

#15398D is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.6% C 0.146 H 263.4°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#15398D
RGB	rgb(21, 57, 141)
HSL	hsl(222, 74%, 32%)
HSV	hsv(222, 85%, 55%)
CMYK	cmyk(85.1%, 59.6%, 0%, 44.7%)
CIE-LAB	lab(26.76, 20.99, -50.06)
CIE-LCH	lch(26.76, 54.29, 292.75°)
OKLab	oklab(37.62% -0.0166 -0.1447)
OKLCH	oklch(37.62% 0.146 263.4)
XYZ	xyz(6.5784, 5.0080, 25.8141)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15398D #8D6915

analogous

#15758D #15398D #2D158D

triadic

#15398D #8D1539 #398D15

tetradic

#15398D #8D1575 #8D6915 #158D2D

square

#15398D #8D1575 #8D6915 #158D2D

split-complementary

#15398D #8D2D15 #758D15

monochromatic

#050E22 #0D2358 #15398D #1D4FC2 #3B6DE2

Accessibility & contrast

On white

10.49

#15398D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#15398D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15398D

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15398D	#FFFFFF	#000000	##FFFFFF
##15398D	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004590

Deuteranopia (green-blind)

#003A8B

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #15398d;
/* rgb */ color: rgb(21, 57, 141);
/* oklch */ color: oklch(37.6% 0.146 263.4);

Tailwind

colors: {
  custom: {
    50: '#6a6eaf',
    500: '#15398d',
    950: '#000000',
  },
}

SCSS

$custom: #15398d;
$custom-light: #6a6eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#15398d",
  "rgb": {
    "r": 21,
    "g": 57,
    "b": 141
  },
  "hsl": {
    "h": 222,
    "s": 74.074,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37619,
    "c": 0.14569,
    "h": 263.4
  },
  "luminance": 0.05009
}

Semantic roles & 50–950 ramp

primary

#15398D

secondary

#C1993D

accent

#B937F1

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #15398D

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

Preview Lab → · Contrast checker → · Palette generator →