#10358D#10358D

#10358D is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.152 H 263.4°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#10358D
RGB	rgb(16, 53, 141)
HSL	hsl(222, 80%, 31%)
HSV	hsv(222, 89%, 55%)
CMYK	cmyk(88.7%, 62.4%, 0%, 44.7%)
CIE-LAB	lab(25.50, 23.40, -52.12)
CIE-LCH	lch(25.50, 57.14, 294.17°)
OKLab	oklab(36.64% -0.0174 -0.1509)
OKLCH	oklch(36.64% 0.152 263.4)
XYZ	xyz(6.2928, 4.5787, 25.7462)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10358D #8D6810

analogous

#10738D #10358D #29108D

triadic

#10358D #8D1035 #358D10

tetradic

#10358D #8D1073 #8D6810 #108D29

square

#10358D #8D1073 #8D6810 #108D29

split-complementary

#10358D #8D2910 #738D10

monochromatic

#040C1F #0A2056 #10358D #164AC4 #3066E7

Accessibility & contrast

On white

10.96

#10358D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#10358D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10358D

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10358D	#FFFFFF	#000000	##FFFFFF
##10358D	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004290

Deuteranopia (green-blind)

#00378B

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #10358d;
/* rgb */ color: rgb(16, 53, 141);
/* oklch */ color: oklch(36.6% 0.152 263.4);

Tailwind

colors: {
  custom: {
    50: '#696baf',
    500: '#10358d',
    950: '#000000',
  },
}

SCSS

$custom: #10358d;
$custom-light: #696baf;
$custom-dark: #000000;

JSON

{
  "hex": "#10358d",
  "rgb": {
    "r": 16,
    "g": 53,
    "b": 141
  },
  "hsl": {
    "h": 222.24,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36636,
    "c": 0.15192,
    "h": 263.4
  },
  "luminance": 0.04579
}

Semantic roles & 50–950 ramp

primary

#10358D

secondary

#C29937

accent

#BC32F6

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #10358D

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

Preview Lab → · Contrast checker → · Palette generator →