#103A4C#103A4C

#103A4C is a dark, muted cyan. Relative luminance 0.037; OKLCH L 32.9% C 0.055 H 230.4°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#103A4C
RGB	rgb(16, 58, 76)
HSL	hsl(198, 65%, 18%)
HSV	hsv(198, 79%, 30%)
CMYK	cmyk(78.9%, 23.7%, 0%, 70.2%)
CIE-LAB	lab(22.51, -7.42, -15.16)
CIE-LCH	lch(22.51, 16.88, 243.92°)
OKLab	oklab(32.88% -0.0352 -0.0426)
OKLCH	oklch(32.88% 0.055 230.4)
XYZ	xyz(3.0307, 3.6577, 7.3824)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103A4C #4C2210

analogous

#104C40 #103A4C #101C4C

triadic

#103A4C #4C103A #3A4C10

tetradic

#103A4C #40104C #4C2210 #1C4C10

square

#103A4C #40104C #4C2210 #1C4C10

split-complementary

#103A4C #4C101C #4C4010

monochromatic

#051319 #051319 #103A4C #1B617F #2587B1

Accessibility & contrast

On white

12.13

#103A4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#103A4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103A4C

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103A4C	#FFFFFF	#000000	##FFFFFF
##103A4C	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31394D

Deuteranopia (green-blind)

#29334C

Tritanopia (blue-blind)

#003F40

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #103a4c;
/* rgb */ color: rgb(16, 58, 76);
/* oklch */ color: oklch(32.9% 0.055 230.4);

Tailwind

colors: {
  custom: {
    50: '#58707e',
    500: '#103a4c',
    950: '#000000',
  },
}

SCSS

$custom: #103a4c;
$custom-light: #58707e;
$custom-dark: #000000;

JSON

{
  "hex": "#103a4c",
  "rgb": {
    "r": 16,
    "g": 58,
    "b": 76
  },
  "hsl": {
    "h": 198,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.32876,
    "c": 0.05523,
    "h": 230.4
  },
  "luminance": 0.03658
}

Semantic roles & 50–950 ramp

primary

#103A4C

secondary

#864B32

accent

#7240E8

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #103A4C

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

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