#103E4F#103E4F

#103E4F is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.057 H 227.0°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#103E4F
RGB	rgb(16, 62, 79)
HSL	hsl(196, 66%, 19%)
HSV	hsv(196, 80%, 31%)
CMYK	cmyk(79.7%, 21.5%, 0%, 69%)
CIE-LAB	lab(24.06, -8.80, -14.74)
CIE-LCH	lch(24.06, 17.17, 239.18°)
OKLab	oklab(34.17% -0.0386 -0.0413)
OKLCH	oklch(34.17% 0.057 227)
XYZ	xyz(3.3470, 4.1195, 8.0144)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103E4F #4F2110

analogous

#104F40 #103E4F #101E4F

triadic

#103E4F #4F103E #3E4F10

tetradic

#103E4F #40104F #4F2110 #1E4F10

square

#103E4F #40104F #4F2110 #1E4F10

split-complementary

#103E4F #4F101E #4F4010

monochromatic

#051419 #06161C #103E4F #1A6682 #258EB5

Accessibility & contrast

On white

11.51

#103E4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#103E4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103E4F

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103E4F	#FFFFFF	#000000	##FFFFFF
##103E4F	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353D50

Deuteranopia (green-blind)

#2C374F

Tritanopia (blue-blind)

#004344

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #103e4f;
/* rgb */ color: rgb(16, 62, 79);
/* oklch */ color: oklch(34.2% 0.057 227.0);

Tailwind

colors: {
  custom: {
    50: '#597380',
    500: '#103e4f',
    950: '#000000',
  },
}

SCSS

$custom: #103e4f;
$custom-light: #597380;
$custom-dark: #000000;

JSON

{
  "hex": "#103e4f",
  "rgb": {
    "r": 16,
    "g": 62,
    "b": 79
  },
  "hsl": {
    "h": 196.19,
    "s": 66.316,
    "l": 18.627
  },
  "oklch": {
    "l": 0.34168,
    "c": 0.05655,
    "h": 227
  },
  "luminance": 0.0412
}

Semantic roles & 50–950 ramp

primary

#103E4F

secondary

#894932

accent

#6D3FE9

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #103E4F

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

Preview Lab → · Contrast checker → · Palette generator →