#15427B#15427B

#15427B is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.2% C 0.108 H 256.2°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#15427B
RGB	rgb(21, 66, 123)
HSL	hsl(214, 71%, 28%)
HSV	hsv(214, 83%, 48%)
CMYK	cmyk(82.9%, 46.3%, 0%, 51.8%)
CIE-LAB	lab(28.07, 7.23, -36.72)
CIE-LCH	lch(28.07, 37.42, 281.13°)
OKLab	oklab(38.19% -0.0258 -0.1053)
OKLCH	oklch(38.19% 0.108 256.2)
XYZ	xyz(5.8313, 5.4852, 19.4865)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15427B #7B4E15

analogous

#15757B #15427B #1B157B

triadic

#15427B #7B1542 #427B15

tetradic

#15427B #7B1575 #7B4E15 #157B1B

square

#15427B #7B1575 #7B4E15 #157B1B

split-complementary

#15427B #7B1B15 #757B15

monochromatic

#040E1A #0C2647 #15427B #1E5EAF #2F7BDB

Accessibility & contrast

On white

10.01

#15427B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#15427B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15427B

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15427B	#FFFFFF	#000000	##FFFFFF
##15427B	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24477D

Deuteranopia (green-blind)

#0E3E7A

Tritanopia (blue-blind)

#005058

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #15427b;
/* rgb */ color: rgb(21, 66, 123);
/* oklch */ color: oklch(38.2% 0.108 256.2);

Tailwind

colors: {
  custom: {
    50: '#6475a1',
    500: '#15427b',
    950: '#000000',
  },
}

SCSS

$custom: #15427b;
$custom-light: #6475a1;
$custom-dark: #000000;

JSON

{
  "hex": "#15427b",
  "rgb": {
    "r": 21,
    "g": 66,
    "b": 123
  },
  "hsl": {
    "h": 213.529,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.38192,
    "c": 0.10841,
    "h": 256.2
  },
  "luminance": 0.05486
}

Semantic roles & 50–950 ramp

primary

#15427B

secondary

#B07D3B

accent

#9E3AEE

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #15427B

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

Preview Lab → · Contrast checker → · Palette generator →