#103F7F#103F7F

#103F7F is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.6% C 0.119 H 257.7°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#103F7F
RGB	rgb(16, 63, 127)
HSL	hsl(215, 78%, 28%)
HSV	hsv(215, 87%, 50%)
CMYK	cmyk(87.4%, 50.4%, 0%, 50.2%)
CIE-LAB	lab(27.29, 10.49, -40.50)
CIE-LCH	lch(27.29, 41.84, 284.53°)
OKLab	oklab(37.64% -0.0253 -0.1165)
OKLCH	oklch(37.64% 0.119 257.7)
XYZ	xyz(5.8205, 5.1967, 20.7709)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103F7F #7F5010

analogous

#10767F #103F7F #19107F

triadic

#103F7F #7F103F #3F7F10

tetradic

#103F7F #7F1076 #7F5010 #107F19

square

#103F7F #7F1076 #7F5010 #107F19

split-complementary

#103F7F #7F1910 #767F10

monochromatic

#030D1B #092449 #103F7F #175AB5 #2676E4

Accessibility & contrast

On white

10.30

#103F7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#103F7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F7F

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103F7F	#FFFFFF	#000000	##FFFFFF
##103F7F	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194681

Deuteranopia (green-blind)

#003C7E

Tritanopia (blue-blind)

#004F59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #103f7f;
/* rgb */ color: rgb(16, 63, 127);
/* oklch */ color: oklch(37.6% 0.119 257.7);

Tailwind

colors: {
  custom: {
    50: '#6473a5',
    500: '#103f7f',
    950: '#000000',
  },
}

SCSS

$custom: #103f7f;
$custom-light: #6473a5;
$custom-dark: #000000;

JSON

{
  "hex": "#103f7f",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 127
  },
  "hsl": {
    "h": 214.595,
    "s": 77.622,
    "l": 28.039
  },
  "oklch": {
    "l": 0.37636,
    "c": 0.11927,
    "h": 257.7
  },
  "luminance": 0.05197
}

Semantic roles & 50–950 ramp

primary

#103F7F

secondary

#B57F36

accent

#A334F4

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #103F7F

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

Preview Lab → · Contrast checker → · Palette generator →