#15377A#15377A

#15377A is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.5% C 0.121 H 262.0°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#15377A
RGB	rgb(21, 55, 122)
HSL	hsl(220, 71%, 28%)
HSV	hsv(220, 83%, 48%)
CMYK	cmyk(82.8%, 54.9%, 0%, 52.2%)
CIE-LAB	lab(24.63, 14.53, -41.64)
CIE-LCH	lch(24.63, 44.11, 289.24°)
OKLab	oklab(35.52% -0.0168 -0.12)
OKLCH	oklch(35.52% 0.121 262)
XYZ	xyz(5.1870, 4.2963, 18.9645)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15377A #7A5815

analogous

#15697A #15377A #25157A

triadic

#15377A #7A1537 #377A15

tetradic

#15377A #7A1569 #7A5815 #157A25

square

#15377A #7A1569 #7A5815 #157A25

split-complementary

#15377A #7A2515 #697A15

monochromatic

#040C1A #0C1F46 #15377A #1E4FAE #2E68DB

Accessibility & contrast

On white

11.29

#15377A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#15377A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15377A

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15377A	#FFFFFF	#000000	##FFFFFF
##15377A	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#053F7C

Deuteranopia (green-blind)

#003679

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #15377a;
/* rgb */ color: rgb(21, 55, 122);
/* oklch */ color: oklch(35.5% 0.121 262.0);

Tailwind

colors: {
  custom: {
    50: '#656da1',
    500: '#15377a',
    950: '#000000',
  },
}

SCSS

$custom: #15377a;
$custom-light: #656da1;
$custom-dark: #000000;

JSON

{
  "hex": "#15377a",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 122
  },
  "hsl": {
    "h": 219.802,
    "s": 70.629,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35523,
    "c": 0.12121,
    "h": 262
  },
  "luminance": 0.04297
}

Semantic roles & 50–950 ramp

primary

#15377A

secondary

#AF883B

accent

#B13AED

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #15377A

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

Preview Lab → · Contrast checker → · Palette generator →