#103A57#103A57

#103A57 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.5% C 0.068 H 243.1°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#103A57
RGB	rgb(16, 58, 87)
HSL	hsl(205, 69%, 20%)
HSV	hsv(205, 82%, 34%)
CMYK	cmyk(81.6%, 33.3%, 0%, 65.9%)
CIE-LAB	lab(23.08, -2.96, -21.55)
CIE-LCH	lch(23.08, 21.75, 262.18°)
OKLab	oklab(33.52% -0.0309 -0.061)
OKLCH	oklch(33.52% 0.068 243.1)
XYZ	xyz(3.4464, 3.8240, 9.5714)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103A57 #572D10

analogous

#105750 #103A57 #101657

triadic

#103A57 #57103A #3A5710

tetradic

#103A57 #501057 #572D10 #165710

square

#103A57 #501057 #572D10 #165710

split-complementary

#103A57 #571016 #575010

monochromatic

#05111A #061823 #103A57 #1A5C8B #237FBE

Accessibility & contrast

On white

11.90

#103A57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#103A57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103A57

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103A57	#FFFFFF	#000000	##FFFFFF
##103A57	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3B58

Deuteranopia (green-blind)

#233456

Tritanopia (blue-blind)

#004144

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #103a57;
/* rgb */ color: rgb(16, 58, 87);
/* oklch */ color: oklch(33.5% 0.068 243.1);

Tailwind

colors: {
  custom: {
    50: '#5a6f86',
    500: '#103a57',
    950: '#000000',
  },
}

SCSS

$custom: #103a57;
$custom-light: #5a6f86;
$custom-dark: #000000;

JSON

{
  "hex": "#103a57",
  "rgb": {
    "r": 16,
    "g": 58,
    "b": 87
  },
  "hsl": {
    "h": 204.507,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.33522,
    "c": 0.06842,
    "h": 243.1
  },
  "luminance": 0.03824
}

Semantic roles & 50–950 ramp

primary

#103A57

secondary

#905932

accent

#843CEC

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #103A57

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

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