#15347E#15347E

#15347E is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.2% C 0.131 H 263.8°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#15347E
RGB	rgb(21, 52, 126)
HSL	hsl(222, 71%, 29%)
HSV	hsv(222, 83%, 49%)
CMYK	cmyk(83.3%, 58.7%, 0%, 50.6%)
CIE-LAB	lab(24.07, 18.34, -45.08)
CIE-LCH	lch(24.07, 48.67, 292.13°)
OKLab	oklab(35.2% -0.0142 -0.1302)
OKLCH	oklch(35.2% 0.131 263.8)
XYZ	xyz(5.3018, 4.1211, 20.2506)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15347E #7E5F15

analogous

#15697E #15347E #2B157E

triadic

#15347E #7E1534 #347E15

tetradic

#15347E #7E1569 #7E5F15 #157E2B

square

#15347E #7E1569 #7E5F15 #157E2B

split-complementary

#15347E #7E2B15 #697E15

monochromatic

#040B1A #0C1E4A #15347E #1E4AB2 #3164DD

Accessibility & contrast

On white

11.51

#15347E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#15347E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15347E

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15347E	#FFFFFF	#000000	##FFFFFF
##15347E	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E81

Deuteranopia (green-blind)

#00357D

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #15347e;
/* rgb */ color: rgb(21, 52, 126);
/* oklch */ color: oklch(35.2% 0.131 263.8);

Tailwind

colors: {
  custom: {
    50: '#666aa4',
    500: '#15347e',
    950: '#000000',
  },
}

SCSS

$custom: #15347e;
$custom-light: #666aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#15347e",
  "rgb": {
    "r": 21,
    "g": 52,
    "b": 126
  },
  "hsl": {
    "h": 222.286,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35201,
    "c": 0.13097,
    "h": 263.8
  },
  "luminance": 0.04122
}

Semantic roles & 50–950 ramp

primary

#15347E

secondary

#B3903C

accent

#B93AEE

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #15347E

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

Preview Lab → · Contrast checker → · Palette generator →