#103A4E#103A4E

#103A4E is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.057 H 233.2°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#103A4E
RGB	rgb(16, 58, 78)
HSL	hsl(199, 66%, 18%)
HSV	hsv(199, 79%, 31%)
CMYK	cmyk(79.5%, 25.6%, 0%, 69.4%)
CIE-LAB	lab(22.61, -6.63, -16.34)
CIE-LCH	lch(22.61, 17.63, 247.92°)
OKLab	oklab(32.99% -0.0344 -0.0459)
OKLCH	oklch(32.99% 0.057 233.2)
XYZ	xyz(3.1013, 3.6860, 7.7543)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103A4E #4E2410

analogous

#104E43 #103A4E #101B4E

triadic

#103A4E #4E103A #3A4E10

tetradic

#103A4E #43104E #4E2410 #1B4E10

square

#103A4E #43104E #4E2410 #1B4E10

split-complementary

#103A4E #4E101B #4E4310

monochromatic

#051319 #06141B #103A4E #1A6081 #2586B4

Accessibility & contrast

On white

12.09

#103A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#103A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103A4E

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103A4E	#FFFFFF	#000000	##FFFFFF
##103A4E	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30394F

Deuteranopia (green-blind)

#28334E

Tritanopia (blue-blind)

#003F41

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #103a4e;
/* rgb */ color: rgb(16, 58, 78);
/* oklch */ color: oklch(33.0% 0.057 233.2);

Tailwind

colors: {
  custom: {
    50: '#58707f',
    500: '#103a4e',
    950: '#000000',
  },
}

SCSS

$custom: #103a4e;
$custom-light: #58707f;
$custom-dark: #000000;

JSON

{
  "hex": "#103a4e",
  "rgb": {
    "r": 16,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 199.355,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.32988,
    "c": 0.05738,
    "h": 233.2
  },
  "luminance": 0.03686
}

Semantic roles & 50–950 ramp

primary

#103A4E

secondary

#884E32

accent

#763FE9

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #103A4E

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

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