#103E55#103E55

#103E55 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.5% C 0.063 H 234.9°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#103E55
RGB	rgb(16, 62, 85)
HSL	hsl(200, 68%, 20%)
HSV	hsv(200, 81%, 33%)
CMYK	cmyk(81.2%, 27.1%, 0%, 66.7%)
CIE-LAB	lab(24.36, -6.42, -18.23)
CIE-LCH	lch(24.36, 19.33, 250.60°)
OKLab	oklab(34.5% -0.0361 -0.0514)
OKLCH	oklch(34.5% 0.063 234.9)
XYZ	xyz(3.5753, 4.2109, 9.2169)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103E55 #552710

analogous

#10554A #103E55 #101C55

triadic

#103E55 #55103E #3E5510

tetradic

#103E55 #4A1055 #552710 #1C5510

square

#103E55 #4A1055 #552710 #1C5510

split-complementary

#103E55 #55101C #554A10

monochromatic

#05131A #061821 #103E55 #1A6489 #2389BC

Accessibility & contrast

On white

11.40

#103E55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#103E55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103E55

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103E55	#FFFFFF	#000000	##FFFFFF
##103E55	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333E56

Deuteranopia (green-blind)

#293755

Tritanopia (blue-blind)

#004446

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #103e55;
/* rgb */ color: rgb(16, 62, 85);
/* oklch */ color: oklch(34.5% 0.063 234.9);

Tailwind

colors: {
  custom: {
    50: '#5a7385',
    500: '#103e55',
    950: '#000000',
  },
}

SCSS

$custom: #103e55;
$custom-light: #5a7385;
$custom-dark: #000000;

JSON

{
  "hex": "#103e55",
  "rgb": {
    "r": 16,
    "g": 62,
    "b": 85
  },
  "hsl": {
    "h": 200,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.34499,
    "c": 0.06279,
    "h": 234.9
  },
  "luminance": 0.04211
}

Semantic roles & 50–950 ramp

primary

#103E55

secondary

#8F5132

accent

#773DEB

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #103E55

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

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