#103E59#103E59

#103E59 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.7% C 0.068 H 239.2°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#103E59
RGB	rgb(16, 62, 89)
HSL	hsl(202, 70%, 21%)
HSV	hsv(202, 82%, 35%)
CMYK	cmyk(82%, 30.3%, 0%, 65.1%)
CIE-LAB	lab(24.56, -4.80, -20.53)
CIE-LCH	lch(24.56, 21.08, 256.84°)
OKLab	oklab(34.73% -0.0345 -0.058)
OKLCH	oklch(34.73% 0.068 239.2)
XYZ	xyz(3.7388, 4.2762, 10.0776)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103E59 #592B10

analogous

#10594F #103E59 #101959

triadic

#103E59 #59103E #3E5910

tetradic

#103E59 #4F1059 #592B10 #195910

square

#103E59 #4F1059 #592B10 #195910

split-complementary

#103E59 #591019 #594F10

monochromatic

#05121A #071A25 #103E59 #19628D #2386C1

Accessibility & contrast

On white

11.32

#103E59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#103E59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103E59

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103E59	#FFFFFF	#000000	##FFFFFF
##103E59	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313E5A

Deuteranopia (green-blind)

#273759

Tritanopia (blue-blind)

#004547

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #103e59;
/* rgb */ color: rgb(16, 62, 89);
/* oklch */ color: oklch(34.7% 0.068 239.2);

Tailwind

colors: {
  custom: {
    50: '#5b7388',
    500: '#103e59',
    950: '#000000',
  },
}

SCSS

$custom: #103e59;
$custom-light: #5b7388;
$custom-dark: #000000;

JSON

{
  "hex": "#103e59",
  "rgb": {
    "r": 16,
    "g": 62,
    "b": 89
  },
  "hsl": {
    "h": 202.192,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.34733,
    "c": 0.06753,
    "h": 239.2
  },
  "luminance": 0.04277
}

Semantic roles & 50–950 ramp

primary

#103E59

secondary

#925633

accent

#7D3BEC

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #103E59

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

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