#10305C#10305C

#10305C is a dark, moderate cyan. Relative luminance 0.030; OKLCH L 31.2% C 0.087 H 257.3°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#10305C
RGB	rgb(16, 48, 92)
HSL	hsl(215, 70%, 21%)
HSV	hsv(215, 83%, 36%)
CMYK	cmyk(82.6%, 47.8%, 0%, 63.9%)
CIE-LAB	lab(20.03, 6.18, -29.69)
CIE-LCH	lch(20.03, 30.33, 281.76°)
OKLab	oklab(31.24% -0.0191 -0.0851)
OKLCH	oklch(31.24% 0.087 257.3)
XYZ	xyz(3.2017, 2.9964, 10.5328)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10305C #5C3C10

analogous

#10565C #10305C #16105C

triadic

#10305C #5C1030 #305C10

tetradic

#10305C #5C1056 #5C3C10 #105C16

square

#10305C #5C1056 #5C3C10 #105C16

split-complementary

#10305C #5C1610 #565C10

monochromatic

#050E1A #071528 #10305C #194B90 #2266C4

Accessibility & contrast

On white

13.13

#10305C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#10305C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10305C

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10305C	#FFFFFF	#000000	##FFFFFF
##10305C	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19345E

Deuteranopia (green-blind)

#0A2D5B

Tritanopia (blue-blind)

#003A41

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #10305c;
/* rgb */ color: rgb(16, 48, 92);
/* oklch */ color: oklch(31.2% 0.087 257.3);

Tailwind

colors: {
  custom: {
    50: '#5b678a',
    500: '#10305c',
    950: '#000000',
  },
}

SCSS

$custom: #10305c;
$custom-light: #5b678a;
$custom-dark: #000000;

JSON

{
  "hex": "#10305c",
  "rgb": {
    "r": 16,
    "g": 48,
    "b": 92
  },
  "hsl": {
    "h": 214.737,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31236,
    "c": 0.08722,
    "h": 257.3
  },
  "luminance": 0.02997
}

Semantic roles & 50–950 ramp

primary

#10305C

secondary

#956C33

accent

#A23BED

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060C

muted

#797A7D

Preview Lab

Preview with #10305C

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

Preview Lab → · Contrast checker → · Palette generator →