#15487D#15487D

#15487D is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.8% C 0.104 H 252.8°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#15487D
RGB	rgb(21, 72, 125)
HSL	hsl(211, 71%, 29%)
HSV	hsv(211, 83%, 49%)
CMYK	cmyk(83.2%, 42.4%, 0%, 51%)
CIE-LAB	lab(30.09, 3.96, -34.74)
CIE-LCH	lch(30.09, 34.96, 276.50°)
OKLab	oklab(39.8% -0.0307 -0.0993)
OKLCH	oklch(39.8% 0.104 252.8)
XYZ	xyz(6.3269, 6.2741, 20.2756)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15487D #7D4A15

analogous

#157C7D #15487D #16157D

triadic

#15487D #7D1548 #487D15

tetradic

#15487D #7D157C #7D4A15 #157D16

square

#15487D #7D157C #7D4A15 #157D16

split-complementary

#15487D #7D1615 #7C7D15

monochromatic

#040F1A #0C2A49 #15487D #1E66B1 #3085DC

Accessibility & contrast

On white

9.31

#15487D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#15487D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15487D

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15487D	#FFFFFF	#000000	##FFFFFF
##15487D	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4C7F

Deuteranopia (green-blind)

#1C437C

Tritanopia (blue-blind)

#00555C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #15487d;
/* rgb */ color: rgb(21, 72, 125);
/* oklch */ color: oklch(39.8% 0.104 252.8);

Tailwind

colors: {
  custom: {
    50: '#657aa3',
    500: '#15487d',
    950: '#000000',
  },
}

SCSS

$custom: #15487d;
$custom-light: #657aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#15487d",
  "rgb": {
    "r": 21,
    "g": 72,
    "b": 125
  },
  "hsl": {
    "h": 210.577,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.39803,
    "c": 0.10398,
    "h": 252.8
  },
  "luminance": 0.06275
}

Semantic roles & 50–950 ramp

primary

#15487D

secondary

#B2783C

accent

#963AEE

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #15487D

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

Preview Lab → · Contrast checker → · Palette generator →