#103D7E#103D7E

#103D7E is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.1% C 0.120 H 258.5°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#103D7E
RGB	rgb(16, 61, 126)
HSL	hsl(215, 77%, 28%)
HSV	hsv(215, 87%, 49%)
CMYK	cmyk(87.3%, 51.6%, 0%, 50.6%)
CIE-LAB	lab(26.60, 11.48, -40.98)
CIE-LCH	lch(26.60, 42.56, 285.64°)
OKLab	oklab(37.09% -0.0239 -0.118)
OKLCH	oklch(37.09% 0.12 258.5)
XYZ	xyz(5.6469, 4.9533, 20.3931)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103D7E #7E5110

analogous

#10747E #103D7E #1A107E

triadic

#103D7E #7E103D #3D7E10

tetradic

#103D7E #7E1074 #7E5110 #107E1A

square

#103D7E #7E1074 #7E5110 #107E1A

split-complementary

#103D7E #7E1A10 #747E10

monochromatic

#030D1B #092348 #103D7E #1757B4 #2573E3

Accessibility & contrast

On white

10.55

#103D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#103D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103D7E

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103D7E	#FFFFFF	#000000	##FFFFFF
##103D7E	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144480

Deuteranopia (green-blind)

#003A7D

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #103d7e;
/* rgb */ color: rgb(16, 61, 126);
/* oklch */ color: oklch(37.1% 0.120 258.5);

Tailwind

colors: {
  custom: {
    50: '#6471a4',
    500: '#103d7e',
    950: '#000000',
  },
}

SCSS

$custom: #103d7e;
$custom-light: #6471a4;
$custom-dark: #000000;

JSON

{
  "hex": "#103d7e",
  "rgb": {
    "r": 16,
    "g": 61,
    "b": 126
  },
  "hsl": {
    "h": 215.455,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37085,
    "c": 0.12041,
    "h": 258.5
  },
  "luminance": 0.04954
}

Semantic roles & 50–950 ramp

primary

#103D7E

secondary

#B48036

accent

#A534F4

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #103D7E

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

Preview Lab → · Contrast checker → · Palette generator →