#15507B#15507B

#15507B is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.7% C 0.093 H 245.3°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#15507B
RGB	rgb(21, 80, 123)
HSL	hsl(205, 71%, 28%)
HSV	hsv(205, 83%, 48%)
CMYK	cmyk(82.9%, 35%, 0%, 51.8%)
CIE-LAB	lab(32.54, -2.14, -29.61)
CIE-LCH	lch(32.54, 29.69, 265.87°)
OKLab	oklab(41.68% -0.0388 -0.0842)
OKLCH	oklch(41.68% 0.093 245.3)
XYZ	xyz(6.7517, 7.3260, 19.7933)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15507B #7B4015

analogous

#157B73 #15507B #151D7B

triadic

#15507B #7B1550 #507B15

tetradic

#15507B #73157B #7B4015 #1D7B15

square

#15507B #73157B #7B4015 #1D7B15

split-complementary

#15507B #7B151D #7B7315

monochromatic

#04111A #0C2E47 #15507B #1E72AF #2F93DB

Accessibility & contrast

On white

8.52

#15507B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#15507B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15507B

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15507B	#FFFFFF	#000000	##FFFFFF
##15507B	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C527D

Deuteranopia (green-blind)

#2D487A

Tritanopia (blue-blind)

#005A5F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #15507b;
/* rgb */ color: rgb(21, 80, 123);
/* oklch */ color: oklch(41.7% 0.093 245.3);

Tailwind

colors: {
  custom: {
    50: '#6480a1',
    500: '#15507b',
    950: '#000000',
  },
}

SCSS

$custom: #15507b;
$custom-light: #6480a1;
$custom-dark: #000000;

JSON

{
  "hex": "#15507b",
  "rgb": {
    "r": 21,
    "g": 80,
    "b": 123
  },
  "hsl": {
    "h": 205.294,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.41682,
    "c": 0.09269,
    "h": 245.3
  },
  "luminance": 0.07327
}

Semantic roles & 50–950 ramp

primary

#15507B

secondary

#B06D3B

accent

#863AEE

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0F

muted

#7A7C7E

Preview Lab

Preview with #15507B

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

Preview Lab → · Contrast checker → · Palette generator →