#103C7F#103C7F

#103C7F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 36.9% C 0.123 H 259.2°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#103C7F
RGB	rgb(16, 60, 127)
HSL	hsl(216, 78%, 28%)
HSV	hsv(216, 87%, 50%)
CMYK	cmyk(87.4%, 52.8%, 0%, 50.2%)
CIE-LAB	lab(26.37, 12.60, -41.98)
CIE-LCH	lch(26.37, 43.83, 286.71°)
OKLab	oklab(36.93% -0.023 -0.121)
OKLCH	oklch(36.93% 0.123 259.2)
XYZ	xyz(5.6589, 4.8735, 20.7170)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103C7F #7F5310

analogous

#10737F #103C7F #1B107F

triadic

#103C7F #7F103C #3C7F10

tetradic

#103C7F #7F1073 #7F5310 #107F1B

square

#103C7F #7F1073 #7F5310 #107F1B

split-complementary

#103C7F #7F1B10 #737F10

monochromatic

#030D1B #092249 #103C7F #1756B5 #2671E4

Accessibility & contrast

On white

10.63

#103C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#103C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103C7F

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103C7F	#FFFFFF	#000000	##FFFFFF
##103C7F	1.00	10.63	1.97	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4481

Deuteranopia (green-blind)

#003A7E

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #103c7f;
/* rgb */ color: rgb(16, 60, 127);
/* oklch */ color: oklch(36.9% 0.123 259.2);

Tailwind

colors: {
  custom: {
    50: '#6471a5',
    500: '#103c7f',
    950: '#000000',
  },
}

SCSS

$custom: #103c7f;
$custom-light: #6471a5;
$custom-dark: #000000;

JSON

{
  "hex": "#103c7f",
  "rgb": {
    "r": 16,
    "g": 60,
    "b": 127
  },
  "hsl": {
    "h": 216.216,
    "s": 77.622,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36933,
    "c": 0.12315,
    "h": 259.2
  },
  "luminance": 0.04874
}

Semantic roles & 50–950 ramp

primary

#103C7F

secondary

#B58336

accent

#A834F4

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #103C7F

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

Preview Lab → · Contrast checker → · Palette generator →