#15398A#15398A

#15398A is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.4% C 0.141 H 263.2°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#15398A
RGB	rgb(21, 57, 138)
HSL	hsl(222, 74%, 31%)
HSV	hsv(222, 85%, 54%)
CMYK	cmyk(84.8%, 58.7%, 0%, 45.9%)
CIE-LAB	lab(26.51, 19.76, -48.62)
CIE-LCH	lch(26.51, 52.48, 292.12°)
OKLab	oklab(37.35% -0.0168 -0.1405)
OKLCH	oklch(37.35% 0.141 263.2)
XYZ	xyz(6.3582, 4.9199, 24.6544)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15398A #8A6615

analogous

#15738A #15398A #2B158A

triadic

#15398A #8A1539 #398A15

tetradic

#15398A #8A1573 #8A6615 #158A2B

square

#15398A #8A1573 #8A6615 #158A2B

split-complementary

#15398A #8A2B15 #738A15

monochromatic

#050D20 #0D2355 #15398A #1D4FBF #396CE1

Accessibility & contrast

On white

10.58

#15398A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#15398A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15398A

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15398A	#FFFFFF	#000000	##FFFFFF
##15398A	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448D

Deuteranopia (green-blind)

#003A88

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #15398a;
/* rgb */ color: rgb(21, 57, 138);
/* oklch */ color: oklch(37.4% 0.141 263.2);

Tailwind

colors: {
  custom: {
    50: '#696ead',
    500: '#15398a',
    950: '#000000',
  },
}

SCSS

$custom: #15398a;
$custom-light: #696ead;
$custom-dark: #000000;

JSON

{
  "hex": "#15398a",
  "rgb": {
    "r": 21,
    "g": 57,
    "b": 138
  },
  "hsl": {
    "h": 221.538,
    "s": 73.585,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37351,
    "c": 0.14149,
    "h": 263.2
  },
  "luminance": 0.04921
}

Semantic roles & 50–950 ramp

primary

#15398A

secondary

#BE963D

accent

#B738F0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #15398A

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

Preview Lab → · Contrast checker → · Palette generator →