#10355F#10355F

#10355F is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.7% C 0.085 H 254.2°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#10355F
RGB	rgb(16, 53, 95)
HSL	hsl(212, 71%, 22%)
HSV	hsv(212, 83%, 37%)
CMYK	cmyk(83.2%, 44.2%, 0%, 62.7%)
CIE-LAB	lab(21.88, 3.88, -28.70)
CIE-LCH	lch(21.88, 28.96, 277.71°)
OKLab	oklab(32.74% -0.0233 -0.0821)
OKLCH	oklch(32.74% 0.085 254.2)
XYZ	xyz(3.5516, 3.4822, 11.3092)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10355F #5F3A10

analogous

#105D5F #10355F #13105F

triadic

#10355F #5F1035 #355F10

tetradic

#10355F #5F105D #5F3A10 #105F13

square

#10355F #5F105D #5F3A10 #105F13

split-complementary

#10355F #5F1310 #5D5F10

monochromatic

#040F1A #07182B #10355F #195293 #226FC8

Accessibility & contrast

On white

12.38

#10355F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#10355F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10355F

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10355F	#FFFFFF	#000000	##FFFFFF
##10355F	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203861

Deuteranopia (green-blind)

#13315E

Tritanopia (blue-blind)

#003F45

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #10355f;
/* rgb */ color: rgb(16, 53, 95);
/* oklch */ color: oklch(32.7% 0.085 254.2);

Tailwind

colors: {
  custom: {
    50: '#5c6b8d',
    500: '#10355f',
    950: '#000000',
  },
}

SCSS

$custom: #10355f;
$custom-light: #5c6b8d;
$custom-dark: #000000;

JSON

{
  "hex": "#10355f",
  "rgb": {
    "r": 16,
    "g": 53,
    "b": 95
  },
  "hsl": {
    "h": 211.899,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.32738,
    "c": 0.08532,
    "h": 254.2
  },
  "luminance": 0.03483
}

Semantic roles & 50–950 ramp

primary

#10355F

secondary

#986933

accent

#9A3AEE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #10355F

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

Preview Lab → · Contrast checker → · Palette generator →