#103B58#103B58

#103B58 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.9% C 0.069 H 242.6°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#103B58
RGB	rgb(16, 59, 88)
HSL	hsl(204, 69%, 20%)
HSV	hsv(204, 82%, 35%)
CMYK	cmyk(81.8%, 33%, 0%, 65.5%)
CIE-LAB	lab(23.48, -3.22, -21.58)
CIE-LCH	lch(23.48, 21.82, 261.51°)
OKLab	oklab(33.86% -0.0316 -0.0611)
OKLCH	oklch(33.86% 0.069 242.6)
XYZ	xyz(3.5384, 3.9423, 9.8051)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103B58 #582D10

analogous

#105851 #103B58 #101758

triadic

#103B58 #58103B #3B5810

tetradic

#103B58 #511058 #582D10 #175810

square

#103B58 #511058 #582D10 #175810

split-complementary

#103B58 #581017 #585110

monochromatic

#05111A #071824 #103B58 #195E8C #2380C0

Accessibility & contrast

On white

11.74

#103B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#103B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103B58

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103B58	#FFFFFF	#000000	##FFFFFF
##103B58	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3C59

Deuteranopia (green-blind)

#243557

Tritanopia (blue-blind)

#004245

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #103b58;
/* rgb */ color: rgb(16, 59, 88);
/* oklch */ color: oklch(33.9% 0.069 242.6);

Tailwind

colors: {
  custom: {
    50: '#5a7087',
    500: '#103b58',
    950: '#000000',
  },
}

SCSS

$custom: #103b58;
$custom-light: #5a7087;
$custom-dark: #000000;

JSON

{
  "hex": "#103b58",
  "rgb": {
    "r": 16,
    "g": 59,
    "b": 88
  },
  "hsl": {
    "h": 204.167,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.33855,
    "c": 0.06882,
    "h": 242.6
  },
  "luminance": 0.03943
}

Semantic roles & 50–950 ramp

primary

#103B58

secondary

#915932

accent

#833CEC

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #103B58

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

Preview Lab → · Contrast checker → · Palette generator →