#103A51#103A51

#103A51 is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.2% C 0.061 H 237.0°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#103A51
RGB	rgb(16, 58, 81)
HSL	hsl(201, 67%, 19%)
HSV	hsv(201, 80%, 32%)
CMYK	cmyk(80.2%, 28.4%, 0%, 68.2%)
CIE-LAB	lab(22.76, -5.42, -18.09)
CIE-LCH	lch(22.76, 18.89, 253.33°)
OKLab	oklab(33.16% -0.0331 -0.051)
OKLCH	oklch(33.16% 0.061 237)
XYZ	xyz(3.2114, 3.7300, 8.3337)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103A51 #512710

analogous

#105148 #103A51 #101A51

triadic

#103A51 #51103A #3A5110

tetradic

#103A51 #481051 #512710 #1A5110

square

#103A51 #481051 #512710 #1A5110

split-complementary

#103A51 #51101A #514810

monochromatic

#05121A #06151E #103A51 #1A5F84 #2483B7

Accessibility & contrast

On white

12.03

#103A51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#103A51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103A51

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103A51	#FFFFFF	#000000	##FFFFFF
##103A51	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3A52

Deuteranopia (green-blind)

#263451

Tritanopia (blue-blind)

#004042

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #103a51;
/* rgb */ color: rgb(16, 58, 81);
/* oklch */ color: oklch(33.2% 0.061 237.0);

Tailwind

colors: {
  custom: {
    50: '#597082',
    500: '#103a51',
    950: '#000000',
  },
}

SCSS

$custom: #103a51;
$custom-light: #597082;
$custom-dark: #000000;

JSON

{
  "hex": "#103a51",
  "rgb": {
    "r": 16,
    "g": 58,
    "b": 81
  },
  "hsl": {
    "h": 201.231,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.3316,
    "c": 0.06084,
    "h": 237
  },
  "luminance": 0.0373
}

Semantic roles & 50–950 ramp

primary

#103A51

secondary

#8B5132

accent

#7B3EEA

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #103A51

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

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