#10367E#10367E

#10367E is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.5% C 0.130 H 261.6°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#10367E
RGB	rgb(16, 54, 126)
HSL	hsl(219, 77%, 28%)
HSV	hsv(219, 87%, 49%)
CMYK	cmyk(87.3%, 57.1%, 0%, 50.6%)
CIE-LAB	lab(24.49, 16.44, -44.39)
CIE-LCH	lch(24.49, 47.34, 290.33°)
OKLab	oklab(35.48% -0.0189 -0.1282)
OKLCH	oklch(35.48% 0.13 261.6)
XYZ	xyz(5.2974, 4.2542, 20.2766)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10367E #7E5810

analogous

#106D7E #10367E #21107E

triadic

#10367E #7E1036 #367E10

tetradic

#10367E #7E106D #7E5810 #107E21

square

#10367E #7E106D #7E5810 #107E21

split-complementary

#10367E #7E2110 #6D7E10

monochromatic

#030C1B #091F48 #10367E #174DB4 #2567E3

Accessibility & contrast

On white

11.35

#10367E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#10367E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10367E

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10367E	#FFFFFF	#000000	##FFFFFF
##10367E	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F81

Deuteranopia (green-blind)

#00357D

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #10367e;
/* rgb */ color: rgb(16, 54, 126);
/* oklch */ color: oklch(35.5% 0.130 261.6);

Tailwind

colors: {
  custom: {
    50: '#646ca4',
    500: '#10367e',
    950: '#000000',
  },
}

SCSS

$custom: #10367e;
$custom-light: #646ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#10367e",
  "rgb": {
    "r": 16,
    "g": 54,
    "b": 126
  },
  "hsl": {
    "h": 219.273,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35479,
    "c": 0.1296,
    "h": 261.6
  },
  "luminance": 0.04255
}

Semantic roles & 50–950 ramp

primary

#10367E

secondary

#B48836

accent

#B234F4

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#06060F

muted

#7A7A7F

Preview Lab

Preview with #10367E

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

Preview Lab → · Contrast checker → · Palette generator →