#103F58#103F58

#103F58 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 34.9% C 0.066 H 236.7°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#103F58
RGB	rgb(16, 63, 88)
HSL	hsl(201, 69%, 20%)
HSV	hsv(201, 82%, 35%)
CMYK	cmyk(81.8%, 28.4%, 0%, 65.5%)
CIE-LAB	lab(24.86, -5.86, -19.42)
CIE-LCH	lch(24.86, 20.28, 253.21°)
OKLab	oklab(34.95% -0.036 -0.0548)
OKLCH	oklch(34.95% 0.066 236.7)
XYZ	xyz(3.7519, 4.3693, 9.8762)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103F58 #582910

analogous

#10584D #103F58 #101B58

triadic

#103F58 #58103F #3F5810

tetradic

#103F58 #4D1058 #582910 #1B5810

square

#103F58 #4D1058 #582910 #1B5810

split-complementary

#103F58 #58101B #584D10

monochromatic

#05131A #071A24 #103F58 #19648C #2389C0

Accessibility & contrast

On white

11.21

#103F58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#103F58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F58

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103F58	#FFFFFF	#000000	##FFFFFF
##103F58	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333F59

Deuteranopia (green-blind)

#293858

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #103f58;
/* rgb */ color: rgb(16, 63, 88);
/* oklch */ color: oklch(34.9% 0.066 236.7);

Tailwind

colors: {
  custom: {
    50: '#5b7487',
    500: '#103f58',
    950: '#000000',
  },
}

SCSS

$custom: #103f58;
$custom-light: #5b7487;
$custom-dark: #000000;

JSON

{
  "hex": "#103f58",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 88
  },
  "hsl": {
    "h": 200.833,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.34948,
    "c": 0.06558,
    "h": 236.7
  },
  "luminance": 0.0437
}

Semantic roles & 50–950 ramp

primary

#103F58

secondary

#915332

accent

#793CEC

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #103F58

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

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