#10368E#10368E

#10368E is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.9% C 0.152 H 263.2°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#10368E
RGB	rgb(16, 54, 142)
HSL	hsl(222, 80%, 31%)
HSV	hsv(222, 89%, 56%)
CMYK	cmyk(88.7%, 62%, 0%, 44.3%)
CIE-LAB	lab(25.86, 23.11, -52.15)
CIE-LCH	lch(25.86, 57.04, 293.90°)
OKLab	oklab(36.94% -0.0179 -0.151)
OKLCH	oklch(36.94% 0.152 263.2)
XYZ	xyz(6.4136, 4.7007, 26.1552)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10368E #8E6810

analogous

#10758E #10368E #29108E

triadic

#10368E #8E1036 #368E10

tetradic

#10368E #8E1075 #8E6810 #108E29

square

#10368E #8E1075 #8E6810 #108E29

split-complementary

#10368E #8E2910 #758E10

monochromatic

#040C20 #0A2157 #10368E #164BC5 #3168E8

Accessibility & contrast

On white

10.82

#10368E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#10368E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10368E

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10368E	#FFFFFF	#000000	##FFFFFF
##10368E	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004391

Deuteranopia (green-blind)

#00388C

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #10368e;
/* rgb */ color: rgb(16, 54, 142);
/* oklch */ color: oklch(36.9% 0.152 263.2);

Tailwind

colors: {
  custom: {
    50: '#696cb0',
    500: '#10368e',
    950: '#000000',
  },
}

SCSS

$custom: #10368e;
$custom-light: #696cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#10368e",
  "rgb": {
    "r": 16,
    "g": 54,
    "b": 142
  },
  "hsl": {
    "h": 221.905,
    "s": 79.747,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36936,
    "c": 0.15203,
    "h": 263.2
  },
  "luminance": 0.04701
}

Semantic roles & 50–950 ramp

primary

#10368E

secondary

#C39937

accent

#BB32F6

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080711

muted

#7A7A80

Preview Lab

Preview with #10368E

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

Preview Lab → · Contrast checker → · Palette generator →