#103B4F#103B4F

#103B4F is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.3% C 0.058 H 232.7°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#103B4F
RGB	rgb(16, 59, 79)
HSL	hsl(199, 66%, 19%)
HSV	hsv(199, 80%, 31%)
CMYK	cmyk(79.7%, 25.3%, 0%, 69%)
CIE-LAB	lab(23.01, -6.88, -16.38)
CIE-LCH	lch(23.01, 17.76, 247.23°)
OKLab	oklab(33.32% -0.0351 -0.0461)
OKLCH	oklch(33.32% 0.058 232.7)
XYZ	xyz(3.1884, 3.8022, 7.9615)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103B4F #4F2410

analogous

#104F43 #103B4F #101B4F

triadic

#103B4F #4F103B #3B4F10

tetradic

#103B4F #43104F #4F2410 #1B4F10

square

#103B4F #43104F #4F2410 #1B4F10

split-complementary

#103B4F #4F101B #4F4310

monochromatic

#051319 #06151C #103B4F #1A6182 #2587B5

Accessibility & contrast

On white

11.93

#103B4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#103B4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103B4F

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103B4F	#FFFFFF	#000000	##FFFFFF
##103B4F	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313A50

Deuteranopia (green-blind)

#29344F

Tritanopia (blue-blind)

#004042

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #103b4f;
/* rgb */ color: rgb(16, 59, 79);
/* oklch */ color: oklch(33.3% 0.058 232.7);

Tailwind

colors: {
  custom: {
    50: '#587080',
    500: '#103b4f',
    950: '#000000',
  },
}

SCSS

$custom: #103b4f;
$custom-light: #587080;
$custom-dark: #000000;

JSON

{
  "hex": "#103b4f",
  "rgb": {
    "r": 16,
    "g": 59,
    "b": 79
  },
  "hsl": {
    "h": 199.048,
    "s": 66.316,
    "l": 18.627
  },
  "oklch": {
    "l": 0.33324,
    "c": 0.05792,
    "h": 232.7
  },
  "luminance": 0.03803
}

Semantic roles & 50–950 ramp

primary

#103B4F

secondary

#894E32

accent

#753FE9

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #103B4F

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

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