#103E5F#103E5F

#103E5F is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.1% C 0.075 H 244.5°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#103E5F
RGB	rgb(16, 62, 95)
HSL	hsl(205, 71%, 22%)
HSV	hsv(205, 83%, 37%)
CMYK	cmyk(83.2%, 34.7%, 0%, 62.7%)
CIE-LAB	lab(24.89, -2.33, -23.92)
CIE-LCH	lch(24.89, 24.03, 264.43°)
OKLab	oklab(35.1% -0.0324 -0.0679)
OKLCH	oklch(35.1% 0.075 244.5)
XYZ	xyz(4.0011, 4.3812, 11.4590)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103E5F #5F3110

analogous

#105F59 #103E5F #10175F

triadic

#103E5F #5F103E #3E5F10

tetradic

#103E5F #59105F #5F3110 #175F10

square

#103E5F #59105F #5F3110 #175F10

split-complementary

#103E5F #5F1017 #5F5910

monochromatic

#04111A #071C2B #103E5F #196093 #2282C8

Accessibility & contrast

On white

11.19

#103E5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#103E5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103E5F

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103E5F	#FFFFFF	#000000	##FFFFFF
##103E5F	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3F60

Deuteranopia (green-blind)

#24385E

Tritanopia (blue-blind)

#00464A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #103e5f;
/* rgb */ color: rgb(16, 62, 95);
/* oklch */ color: oklch(35.1% 0.075 244.5);

Tailwind

colors: {
  custom: {
    50: '#5c738c',
    500: '#103e5f',
    950: '#000000',
  },
}

SCSS

$custom: #103e5f;
$custom-light: #5c738c;
$custom-dark: #000000;

JSON

{
  "hex": "#103e5f",
  "rgb": {
    "r": 16,
    "g": 62,
    "b": 95
  },
  "hsl": {
    "h": 205.063,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.35101,
    "c": 0.07524,
    "h": 244.5
  },
  "luminance": 0.04382
}

Semantic roles & 50–950 ramp

primary

#103E5F

secondary

#985D33

accent

#853AEE

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #103E5F

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

Preview Lab → · Contrast checker → · Palette generator →