#10357D#10357D

#10357D is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.2% C 0.129 H 261.9°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX#10357D
RGBrgb(16, 53, 125)
HSLhsl(220, 77%, 28%)
HSVhsv(220, 87%, 49%)
CMYKcmyk(87.2%, 57.6%, 0%, 51%)
CIE-LABlab(24.12, 16.74, -44.38)
CIE-LCHlch(24.12, 47.43, 290.66°)
OKLaboklab(35.17% -0.0183 -0.1282)
OKLCHoklch(35.17% 0.129 261.9)
XYZxyz(5.1871, 4.1364, 19.9231)
Luminance0.0414 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10357D #7D5810
analogous
#106B7D #10357D #21107D
triadic
#10357D #7D1035 #357D10
tetradic
#10357D #7D106B #7D5810 #107D21
square
#10357D #7D106B #7D5810 #107D21
split-complementary
#10357D #7D2110 #6B7D10
monochromatic
#030C1B #091E47 #10357D #174CB3 #2465E3

Accessibility & contrast

On white

11.49
#10357D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.83
#10357D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10357D
11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10357D#FFFFFF#000000##FFFFFF
##10357D1.0011.491.8311.49
#FFFFFF11.491.0021.001.00
#0000001.8321.001.0021.00
##FFFFFF11.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003E7F
Deuteranopia (green-blind)
#00357C
Tritanopia (blue-blind)
#004753
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #10357d;
/* rgb */ color: rgb(16, 53, 125);
/* oklch */ color: oklch(35.2% 0.129 261.9);
Tailwind
colors: {
  custom: {
    50: '#646ba3',
    500: '#10357d',
    950: '#000000',
  },
}
SCSS
$custom: #10357d;
$custom-light: #646ba3;
$custom-dark: #000000;
JSON
{
  "hex": "#10357d",
  "rgb": {
    "r": 16,
    "g": 53,
    "b": 125
  },
  "hsl": {
    "h": 219.633,
    "s": 77.305,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35167,
    "c": 0.12948,
    "h": 261.9
  },
  "luminance": 0.04137
}

Semantic roles & 50–950 ramp

primary
#10357D
secondary
#B38935
accent
#B334F4
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#06060F
muted
#7A7A7F

Preview Lab

Preview with #10357D

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

Preview Lab → · Contrast checker → · Palette generator →

#10357D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva