#15478D#15478D

#15478D is a dark, vivid blue. Relative luminance 0.066; OKLCH L 40.7% C 0.128 H 258.0°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#15478D
RGB	rgb(21, 71, 141)
HSL	hsl(215, 74%, 32%)
HSV	hsv(215, 85%, 55%)
CMYK	cmyk(85.1%, 49.6%, 0%, 44.7%)
CIE-LAB	lab(30.85, 11.26, -43.43)
CIE-LCH	lch(30.85, 44.86, 284.53°)
OKLab	oklab(40.73% -0.0265 -0.1249)
OKLCH	oklch(40.73% 0.128 258)
XYZ	xyz(7.3684, 6.5881, 26.0774)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15478D #8D5B15

analogous

#15838D #15478D #1F158D

triadic

#15478D #8D1547 #478D15

tetradic

#15478D #8D1583 #8D5B15 #158D1F

square

#15478D #8D1583 #8D5B15 #158D1F

split-complementary

#15478D #8D1F15 #838D15

monochromatic

#051122 #0D2C58 #15478D #1D62C2 #3B80E2

Accessibility & contrast

On white

9.06

#15478D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#15478D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15478D

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15478D	#FFFFFF	#000000	##FFFFFF
##15478D	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4E90

Deuteranopia (green-blind)

#00448C

Tritanopia (blue-blind)

#005863

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #15478d;
/* rgb */ color: rgb(21, 71, 141);
/* oklch */ color: oklch(40.7% 0.128 258.0);

Tailwind

colors: {
  custom: {
    50: '#6979af',
    500: '#15478d',
    950: '#000000',
  },
}

SCSS

$custom: #15478d;
$custom-light: #6979af;
$custom-dark: #000000;

JSON

{
  "hex": "#15478d",
  "rgb": {
    "r": 21,
    "g": 71,
    "b": 141
  },
  "hsl": {
    "h": 215,
    "s": 74.074,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40732,
    "c": 0.12772,
    "h": 258
  },
  "luminance": 0.06589
}

Semantic roles & 50–950 ramp

primary

#15478D

secondary

#C18A3D

accent

#A337F1

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #15478D

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

Preview Lab → · Contrast checker → · Palette generator →