#103E5E#103E5E

#103E5E is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.0% C 0.074 H 243.7°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#103E5E
RGB	rgb(16, 62, 94)
HSL	hsl(205, 71%, 22%)
HSV	hsv(205, 83%, 37%)
CMYK	cmyk(83%, 34%, 0%, 63.1%)
CIE-LAB	lab(24.84, -2.75, -23.36)
CIE-LCH	lch(24.84, 23.52, 263.29°)
OKLab	oklab(35.04% -0.0327 -0.0663)
OKLCH	oklch(35.04% 0.074 243.7)
XYZ	xyz(3.9559, 4.3631, 11.2212)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103E5E #5E3010

analogous

#105E57 #103E5E #10175E

triadic

#103E5E #5E103E #3E5E10

tetradic

#103E5E #57105E #5E3010 #175E10

square

#103E5E #57105E #5E3010 #175E10

split-complementary

#103E5E #5E1017 #5E5710

monochromatic

#04111A #071C2A #103E5E #196092 #2283C7

Accessibility & contrast

On white

11.21

#103E5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#103E5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103E5E

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103E5E	#FFFFFF	#000000	##FFFFFF
##103E5E	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)

#2F3F5F

Deuteranopia (green-blind)

#24385D

Tritanopia (blue-blind)

#004649

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #103e5e;
/* rgb */ color: rgb(16, 62, 94);
/* oklch */ color: oklch(35.0% 0.074 243.7);

Tailwind

colors: {
  custom: {
    50: '#5c738c',
    500: '#103e5e',
    950: '#000000',
  },
}

SCSS

$custom: #103e5e;
$custom-light: #5c738c;
$custom-dark: #000000;

JSON

{
  "hex": "#103e5e",
  "rgb": {
    "r": 16,
    "g": 62,
    "b": 94
  },
  "hsl": {
    "h": 204.615,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.35038,
    "c": 0.07392,
    "h": 243.7
  },
  "luminance": 0.04364
}

Semantic roles & 50–950 ramp

primary

#103E5E

secondary

#975C33

accent

#843AEE

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #103E5E

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

Preview Lab → · Contrast checker → · Palette generator →