#15538F#15538F

#15538F is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.7% C 0.116 H 251.9°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#15538F
RGB	rgb(21, 83, 143)
HSL	hsl(210, 74%, 32%)
HSV	hsv(210, 85%, 56%)
CMYK	cmyk(85.3%, 42%, 0%, 43.9%)
CIE-LAB	lab(34.66, 4.00, -38.54)
CIE-LCH	lch(34.66, 38.75, 275.92°)
OKLab	oklab(43.73% -0.036 -0.1103)
OKLCH	oklch(43.73% 0.116 251.9)
XYZ	xyz(8.3586, 8.3281, 27.1482)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15538F #8F5115

analogous

#158F8E #15538F #15168F

triadic

#15538F #8F1553 #538F15

tetradic

#15538F #8E158F #8F5115 #168F15

square

#15538F #8E158F #8F5115 #168F15

split-complementary

#15538F #8F1516 #8F8E15

monochromatic

#051524 #0D345A #15538F #1D72C4 #3C91E2

Accessibility & contrast

On white

7.88

#15538F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#15538F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15538F

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15538F	#FFFFFF	#000000	##FFFFFF
##15538F	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355791

Deuteranopia (green-blind)

#204D8E

Tritanopia (blue-blind)

#00616A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #15538f;
/* rgb */ color: rgb(21, 83, 143);
/* oklch */ color: oklch(43.7% 0.116 251.9);

Tailwind

colors: {
  custom: {
    50: '#6982b0',
    500: '#15538f',
    950: '#000000',
  },
}

SCSS

$custom: #15538f;
$custom-light: #6982b0;
$custom-dark: #000000;

JSON

{
  "hex": "#15538f",
  "rgb": {
    "r": 21,
    "g": 83,
    "b": 143
  },
  "hsl": {
    "h": 209.508,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.43725,
    "c": 0.11601,
    "h": 251.9
  },
  "luminance": 0.08329
}

Semantic roles & 50–950 ramp

primary

#15538F

secondary

#C27F3E

accent

#9237F1

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #15538F

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

Preview Lab → · Contrast checker → · Palette generator →