#10315D#10315D

#10315D is a dark, moderate cyan. Relative luminance 0.031; OKLCH L 31.6% C 0.087 H 256.8°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#10315D
RGB	rgb(16, 49, 93)
HSL	hsl(214, 71%, 21%)
HSV	hsv(214, 83%, 36%)
CMYK	cmyk(82.8%, 47.3%, 0%, 63.5%)
CIE-LAB	lab(20.43, 5.89, -29.71)
CIE-LCH	lch(20.43, 30.29, 281.21°)
OKLab	oklab(31.57% -0.0199 -0.0851)
OKLCH	oklch(31.57% 0.087 256.8)
XYZ	xyz(3.2871, 3.0967, 10.7783)
Luminance	0.0310 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10315D #5D3C10

analogous

#10585D #10315D #16105D

triadic

#10315D #5D1031 #315D10

tetradic

#10315D #5D1058 #5D3C10 #105D16

square

#10315D #5D1058 #5D3C10 #105D16

split-complementary

#10315D #5D1610 #585D10

monochromatic

#040E1A #071529 #10315D #194D91 #2268C5

Accessibility & contrast

On white

12.97

#10315D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#10315D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10315D

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10315D	#FFFFFF	#000000	##FFFFFF
##10315D	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B355F

Deuteranopia (green-blind)

#0B2E5C

Tritanopia (blue-blind)

#003B42

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #10315d;
/* rgb */ color: rgb(16, 49, 93);
/* oklch */ color: oklch(31.6% 0.087 256.8);

Tailwind

colors: {
  custom: {
    50: '#5c688b',
    500: '#10315d',
    950: '#000000',
  },
}

SCSS

$custom: #10315d;
$custom-light: #5c688b;
$custom-dark: #000000;

JSON

{
  "hex": "#10315d",
  "rgb": {
    "r": 16,
    "g": 49,
    "b": 93
  },
  "hsl": {
    "h": 214.286,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.31566,
    "c": 0.08742,
    "h": 256.8
  },
  "luminance": 0.03097
}

Semantic roles & 50–950 ramp

primary

#10315D

secondary

#966B33

accent

#A13AED

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060C

muted

#797A7D

Preview Lab

Preview with #10315D

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

Preview Lab → · Contrast checker → · Palette generator →