#10315A#10315A

#10315A is a dark, moderate cyan. Relative luminance 0.030; OKLCH L 31.3% C 0.083 H 255.6°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#10315A
RGB	rgb(16, 49, 90)
HSL	hsl(213, 70%, 21%)
HSV	hsv(213, 82%, 35%)
CMYK	cmyk(82.2%, 45.6%, 0%, 64.7%)
CIE-LAB	lab(20.22, 4.59, -28.06)
CIE-LCH	lch(20.22, 28.43, 279.30°)
OKLab	oklab(31.34% -0.0206 -0.0803)
OKLCH	oklch(31.34% 0.083 255.6)
XYZ	xyz(3.1568, 3.0446, 10.0922)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10315A #5A3910

analogous

#10565A #10315A #14105A

triadic

#10315A #5A1031 #315A10

tetradic

#10315A #5A1056 #5A3910 #105A14

square

#10315A #5A1056 #5A3910 #105A14

split-complementary

#10315A #5A1410 #565A10

monochromatic

#050E1A #071526 #10315A #194D8E #226AC2

Accessibility & contrast

On white

13.05

#10315A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#10315A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10315A

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10315A	#FFFFFF	#000000	##FFFFFF
##10315A	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D345C

Deuteranopia (green-blind)

#102E59

Tritanopia (blue-blind)

#003B41

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #10315a;
/* rgb */ color: rgb(16, 49, 90);
/* oklch */ color: oklch(31.3% 0.083 255.6);

Tailwind

colors: {
  custom: {
    50: '#5b6889',
    500: '#10315a',
    950: '#000000',
  },
}

SCSS

$custom: #10315a;
$custom-light: #5b6889;
$custom-dark: #000000;

JSON

{
  "hex": "#10315a",
  "rgb": {
    "r": 16,
    "g": 49,
    "b": 90
  },
  "hsl": {
    "h": 213.243,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31341,
    "c": 0.08288,
    "h": 255.6
  },
  "luminance": 0.03045
}

Semantic roles & 50–950 ramp

primary

#10315A

secondary

#936833

accent

#9D3BED

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060B

muted

#797A7C

Preview Lab

Preview with #10315A

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

Preview Lab → · Contrast checker → · Palette generator →