#10358A#10358A

#10358A is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.4% C 0.148 H 263.2°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#10358A
RGB	rgb(16, 53, 138)
HSL	hsl(222, 79%, 30%)
HSV	hsv(222, 88%, 54%)
CMYK	cmyk(88.4%, 61.6%, 0%, 45.9%)
CIE-LAB	lab(25.23, 22.17, -50.70)
CIE-LCH	lch(25.23, 55.33, 293.61°)
OKLab	oklab(36.35% -0.0175 -0.1467)
OKLCH	oklch(36.35% 0.148 263.2)
XYZ	xyz(6.0726, 4.4906, 24.5865)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10358A #8A6510

analogous

#10728A #10358A #28108A

triadic

#10358A #8A1035 #358A10

tetradic

#10358A #8A1072 #8A6510 #108A28

square

#10358A #8A1072 #8A6510 #108A28

split-complementary

#10358A #8A2810 #728A10

monochromatic

#030B1C #0A2053 #10358A #164AC1 #2E66E7

Accessibility & contrast

On white

11.06

#10358A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#10358A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10358A

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10358A	#FFFFFF	#000000	##FFFFFF
##10358A	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428D

Deuteranopia (green-blind)

#003688

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #10358a;
/* rgb */ color: rgb(16, 53, 138);
/* oklch */ color: oklch(36.4% 0.148 263.2);

Tailwind

colors: {
  custom: {
    50: '#686bad',
    500: '#10358a',
    950: '#000000',
  },
}

SCSS

$custom: #10358a;
$custom-light: #686bad;
$custom-dark: #000000;

JSON

{
  "hex": "#10358a",
  "rgb": {
    "r": 16,
    "g": 53,
    "b": 138
  },
  "hsl": {
    "h": 221.803,
    "s": 79.221,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36353,
    "c": 0.14779,
    "h": 263.2
  },
  "luminance": 0.04491
}

Semantic roles & 50–950 ramp

primary

#10358A

secondary

#BF9637

accent

#BA32F6

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #10358A

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

Preview Lab → · Contrast checker → · Palette generator →