#103C7D#103C7D

#103C7D is a dark, vivid blue. Relative luminance 0.048; OKLCH L 36.8% C 0.120 H 258.8°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#103C7D
RGB	rgb(16, 60, 125)
HSL	hsl(216, 77%, 28%)
HSV	hsv(216, 87%, 49%)
CMYK	cmyk(87.2%, 52%, 0%, 51%)
CIE-LAB	lab(26.22, 11.76, -40.96)
CIE-LCH	lch(26.22, 42.62, 286.01°)
OKLab	oklab(36.77% -0.0233 -0.118)
OKLCH	oklch(36.77% 0.12 258.8)
XYZ	xyz(5.5299, 4.8219, 20.0373)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103C7D #7D5110

analogous

#10727D #103C7D #1B107D

triadic

#103C7D #7D103C #3C7D10

tetradic

#103C7D #7D1072 #7D5110 #107D1B

square

#103C7D #7D1072 #7D5110 #107D1B

split-complementary

#103C7D #7D1B10 #727D10

monochromatic

#030D1B #092247 #103C7D #1756B3 #2471E3

Accessibility & contrast

On white

10.69

#103C7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#103C7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103C7D

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103C7D	#FFFFFF	#000000	##FFFFFF
##103C7D	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13437F

Deuteranopia (green-blind)

#00397C

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #103c7d;
/* rgb */ color: rgb(16, 60, 125);
/* oklch */ color: oklch(36.8% 0.120 258.8);

Tailwind

colors: {
  custom: {
    50: '#6471a3',
    500: '#103c7d',
    950: '#000000',
  },
}

SCSS

$custom: #103c7d;
$custom-light: #6471a3;
$custom-dark: #000000;

JSON

{
  "hex": "#103c7d",
  "rgb": {
    "r": 16,
    "g": 60,
    "b": 125
  },
  "hsl": {
    "h": 215.78,
    "s": 77.305,
    "l": 27.647
  },
  "oklch": {
    "l": 0.3677,
    "c": 0.12029,
    "h": 258.8
  },
  "luminance": 0.04823
}

Semantic roles & 50–950 ramp

primary

#103C7D

secondary

#B38135

accent

#A634F4

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #103C7D

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

Preview Lab → · Contrast checker → · Palette generator →