#10348D#10348D

#10348D is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.4% C 0.153 H 263.7°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#10348D
RGB	rgb(16, 52, 141)
HSL	hsl(223, 80%, 31%)
HSV	hsv(223, 89%, 55%)
CMYK	cmyk(88.7%, 63.1%, 0%, 44.7%)
CIE-LAB	lab(25.22, 24.10, -52.57)
CIE-LCH	lch(25.22, 57.83, 294.62°)
OKLab	oklab(36.43% -0.0169 -0.1522)
OKLCH	oklch(36.43% 0.153 263.7)
XYZ	xyz(6.2477, 4.4884, 25.7312)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10348D #8D6910

analogous

#10728D #10348D #2A108D

triadic

#10348D #8D1034 #348D10

tetradic

#10348D #8D1072 #8D6910 #108D2A

square

#10348D #8D1072 #8D6910 #108D2A

split-complementary

#10348D #8D2A10 #728D10

monochromatic

#040B1F #0A2056 #10348D #1648C4 #3065E7

Accessibility & contrast

On white

11.07

#10348D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#10348D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10348D

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10348D	#FFFFFF	#000000	##FFFFFF
##10348D	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004290

Deuteranopia (green-blind)

#00368B

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #10348d;
/* rgb */ color: rgb(16, 52, 141);
/* oklch */ color: oklch(36.4% 0.153 263.7);

Tailwind

colors: {
  custom: {
    50: '#696baf',
    500: '#10348d',
    950: '#000000',
  },
}

SCSS

$custom: #10348d;
$custom-light: #696baf;
$custom-dark: #000000;

JSON

{
  "hex": "#10348d",
  "rgb": {
    "r": 16,
    "g": 52,
    "b": 141
  },
  "hsl": {
    "h": 222.72,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36431,
    "c": 0.15318,
    "h": 263.7
  },
  "luminance": 0.04489
}

Semantic roles & 50–950 ramp

primary

#10348D

secondary

#C29A37

accent

#BE32F6

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #10348D

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

Preview Lab → · Contrast checker → · Palette generator →