#10356E#10356E

#10356E is a dark, moderate blue. Relative luminance 0.038; OKLCH L 33.9% C 0.108 H 259.2°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#10356E
RGB	rgb(16, 53, 110)
HSL	hsl(216, 75%, 25%)
HSV	hsv(216, 85%, 43%)
CMYK	cmyk(85.5%, 51.8%, 0%, 56.9%)
CIE-LAB	lab(22.94, 10.34, -36.74)
CIE-LCH	lch(22.94, 38.16, 285.71°)
OKLab	oklab(33.89% -0.0202 -0.1057)
OKLCH	oklch(33.89% 0.108 259.2)
XYZ	xyz(4.3002, 3.7816, 15.2521)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10356E #6E4910

analogous

#10646E #10356E #1A106E

triadic

#10356E #6E1035 #356E10

tetradic

#10356E #6E1064 #6E4910 #106E1A

square

#10356E #6E1064 #6E4910 #106E1A

split-complementary

#10356E #6E1A10 #646E10

monochromatic

#040D1B #081B39 #10356E #184FA3 #2068D9

Accessibility & contrast

On white

11.96

#10356E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#10356E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10356E

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10356E	#FFFFFF	#000000	##FFFFFF
##10356E	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133B70

Deuteranopia (green-blind)

#00336D

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #10356e;
/* rgb */ color: rgb(16, 53, 110);
/* oklch */ color: oklch(33.9% 0.108 259.2);

Tailwind

colors: {
  custom: {
    50: '#606b98',
    500: '#10356e',
    950: '#000000',
  },
}

SCSS

$custom: #10356e;
$custom-light: #606b98;
$custom-dark: #000000;

JSON

{
  "hex": "#10356e",
  "rgb": {
    "r": 16,
    "g": 53,
    "b": 110
  },
  "hsl": {
    "h": 216.383,
    "s": 74.603,
    "l": 24.706
  },
  "oklch": {
    "l": 0.33894,
    "c": 0.10763,
    "h": 259.2
  },
  "luminance": 0.03782
}

Semantic roles & 50–950 ramp

primary

#10356E

secondary

#A67934

accent

#A837F1

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#05060E

muted

#7A7A7E

Preview Lab

Preview with #10356E

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

Preview Lab → · Contrast checker → · Palette generator →