#103B4E#103B4E

#103B4E is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.3% C 0.057 H 231.3°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#103B4E
RGB	rgb(16, 59, 78)
HSL	hsl(198, 66%, 18%)
HSV	hsv(198, 79%, 31%)
CMYK	cmyk(79.5%, 24.4%, 0%, 69.4%)
CIE-LAB	lab(22.96, -7.28, -15.79)
CIE-LCH	lch(22.96, 17.39, 245.27°)
OKLab	oklab(33.27% -0.0355 -0.0444)
OKLCH	oklch(33.27% 0.057 231.3)
XYZ	xyz(3.1522, 3.7878, 7.7712)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103B4E #4E2310

analogous

#104E42 #103B4E #101C4E

triadic

#103B4E #4E103B #3B4E10

tetradic

#103B4E #42104E #4E2310 #1C4E10

square

#103B4E #42104E #4E2310 #1C4E10

split-complementary

#103B4E #4E101C #4E4210

monochromatic

#051319 #06151B #103B4E #1A6181 #2588B4

Accessibility & contrast

On white

11.95

#103B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#103B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103B4E

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103B4E	#FFFFFF	#000000	##FFFFFF
##103B4E	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313A4F

Deuteranopia (green-blind)

#29344E

Tritanopia (blue-blind)

#004041

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #103b4e;
/* rgb */ color: rgb(16, 59, 78);
/* oklch */ color: oklch(33.3% 0.057 231.3);

Tailwind

colors: {
  custom: {
    50: '#58707f',
    500: '#103b4e',
    950: '#000000',
  },
}

SCSS

$custom: #103b4e;
$custom-light: #58707f;
$custom-dark: #000000;

JSON

{
  "hex": "#103b4e",
  "rgb": {
    "r": 16,
    "g": 59,
    "b": 78
  },
  "hsl": {
    "h": 198.387,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.33268,
    "c": 0.05684,
    "h": 231.3
  },
  "luminance": 0.03788
}

Semantic roles & 50–950 ramp

primary

#103B4E

secondary

#884C32

accent

#733FE9

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #103B4E

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

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