#103D7B#103D7B

#103D7B is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.8% C 0.116 H 257.8°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#103D7B
RGB	rgb(16, 61, 123)
HSL	hsl(215, 77%, 27%)
HSV	hsv(215, 87%, 48%)
CMYK	cmyk(87%, 50.4%, 0%, 51.8%)
CIE-LAB	lab(26.38, 10.20, -39.45)
CIE-LCH	lch(26.38, 40.75, 284.50°)
OKLab	oklab(36.85% -0.0244 -0.1135)
OKLCH	oklch(36.85% 0.116 257.8)
XYZ	xyz(5.4563, 4.8770, 19.3888)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103D7B #7B4E10

analogous

#10737B #103D7B #18107B

triadic

#103D7B #7B103D #3D7B10

tetradic

#103D7B #7B1073 #7B4E10 #107B18

square

#103D7B #7B1073 #7B4E10 #107B18

split-complementary

#103D7B #7B1810 #737B10

monochromatic

#040D1B #092245 #103D7B #1758B1 #2373E2

Accessibility & contrast

On white

10.63

#103D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#103D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103D7B

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103D7B	#FFFFFF	#000000	##FFFFFF
##103D7B	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18437D

Deuteranopia (green-blind)

#003A7A

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #103d7b;
/* rgb */ color: rgb(16, 61, 123);
/* oklch */ color: oklch(36.8% 0.116 257.8);

Tailwind

colors: {
  custom: {
    50: '#6371a2',
    500: '#103d7b',
    950: '#000000',
  },
}

SCSS

$custom: #103d7b;
$custom-light: #6371a2;
$custom-dark: #000000;

JSON

{
  "hex": "#103d7b",
  "rgb": {
    "r": 16,
    "g": 61,
    "b": 123
  },
  "hsl": {
    "h": 214.766,
    "s": 76.978,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36846,
    "c": 0.11611,
    "h": 257.8
  },
  "luminance": 0.04878
}

Semantic roles & 50–950 ramp

primary

#103D7B

secondary

#B27D35

accent

#A334F4

background

#F6F6FA

surface

#EBECF3

border

#C6C7CD

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #103D7B

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

Preview Lab → · Contrast checker → · Palette generator →