#10356F#10356F

#10356F is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.109 H 259.4°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#10356F
RGB	rgb(16, 53, 111)
HSL	hsl(217, 75%, 25%)
HSV	hsv(217, 86%, 44%)
CMYK	cmyk(85.6%, 52.3%, 0%, 56.5%)
CIE-LAB	lab(23.01, 10.77, -37.26)
CIE-LCH	lch(23.01, 38.78, 286.12°)
OKLab	oklab(33.98% -0.02 -0.1072)
OKLCH	oklch(33.98% 0.109 259.4)
XYZ	xyz(4.3550, 3.8035, 15.5405)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10356F #6F4A10

analogous

#10646F #10356F #1B106F

triadic

#10356F #6F1035 #356F10

tetradic

#10356F #6F1064 #6F4A10 #106F1B

square

#10356F #6F1064 #6F4A10 #106F1B

split-complementary

#10356F #6F1B10 #646F10

monochromatic

#040D1B #081B3A #10356F #184FA4 #1F68DA

Accessibility & contrast

On white

11.93

#10356F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#10356F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10356F

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10356F	#FFFFFF	#000000	##FFFFFF
##10356F	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#113B71

Deuteranopia (green-blind)

#00336E

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #10356f;
/* rgb */ color: rgb(16, 53, 111);
/* oklch */ color: oklch(34.0% 0.109 259.4);

Tailwind

colors: {
  custom: {
    50: '#606b99',
    500: '#10356f',
    950: '#000000',
  },
}

SCSS

$custom: #10356f;
$custom-light: #606b99;
$custom-dark: #000000;

JSON

{
  "hex": "#10356f",
  "rgb": {
    "r": 16,
    "g": 53,
    "b": 111
  },
  "hsl": {
    "h": 216.632,
    "s": 74.803,
    "l": 24.902
  },
  "oklch": {
    "l": 0.33975,
    "c": 0.1091,
    "h": 259.4
  },
  "luminance": 0.03804
}

Semantic roles & 50–950 ramp

primary

#10356F

secondary

#A77A34

accent

#A936F1

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #10356F

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

Preview Lab → · Contrast checker → · Palette generator →