#103F52#103F52

#103F52 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.6% C 0.059 H 229.4°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#103F52
RGB	rgb(16, 63, 82)
HSL	hsl(197, 67%, 19%)
HSV	hsv(197, 80%, 32%)
CMYK	cmyk(80.5%, 23.2%, 0%, 67.8%)
CIE-LAB	lab(24.56, -8.25, -15.95)
CIE-LCH	lch(24.56, 17.96, 242.64°)
OKLab	oklab(34.61% -0.0384 -0.0448)
OKLCH	oklch(34.61% 0.059 229.4)
XYZ	xyz(3.5136, 4.2740, 8.6208)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103F52 #522310

analogous

#105244 #103F52 #101E52

triadic

#103F52 #52103F #3F5210

tetradic

#103F52 #441052 #522310 #1E5210

square

#103F52 #441052 #522310 #1E5210

split-complementary

#103F52 #52101E #524410

monochromatic

#05141A #06181F #103F52 #1A6685 #248EB8

Accessibility & contrast

On white

11.32

#103F52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#103F52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F52

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103F52	#FFFFFF	#000000	##FFFFFF
##103F52	1.00	11.32	1.85	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E53

Deuteranopia (green-blind)

#2C3852

Tritanopia (blue-blind)

#004445

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #103f52;
/* rgb */ color: rgb(16, 63, 82);
/* oklch */ color: oklch(34.6% 0.059 229.4);

Tailwind

colors: {
  custom: {
    50: '#597482',
    500: '#103f52',
    950: '#000000',
  },
}

SCSS

$custom: #103f52;
$custom-light: #597482;
$custom-dark: #000000;

JSON

{
  "hex": "#103f52",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 82
  },
  "hsl": {
    "h": 197.273,
    "s": 67.347,
    "l": 19.216
  },
  "oklch": {
    "l": 0.3461,
    "c": 0.05904,
    "h": 229.4
  },
  "luminance": 0.04274
}

Semantic roles & 50–950 ramp

primary

#103F52

secondary

#8C4C32

accent

#6F3EEA

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #103F52

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

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