#10357F#10357F

#10357F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.3% C 0.132 H 262.1°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX#10357F
RGBrgb(16, 53, 127)
HSLhsl(220, 78%, 28%)
HSVhsv(220, 87%, 50%)
CMYKcmyk(87.4%, 58.3%, 0%, 50.2%)
CIE-LABlab(24.28, 17.58, -45.37)
CIE-LCHlch(24.28, 48.65, 291.18°)
OKLaboklab(35.35% -0.0181 -0.1311)
OKLCHoklch(35.35% 0.132 262.1)
XYZxyz(5.3162, 4.1880, 20.6027)
Luminance0.0419 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10357F #7F5A10
analogous
#106C7F #10357F #22107F
triadic
#10357F #7F1035 #357F10
tetradic
#10357F #7F106C #7F5A10 #107F22
square
#10357F #7F106C #7F5A10 #107F22
split-complementary
#10357F #7F2210 #6C7F10
monochromatic
#030B1B #091E49 #10357F #174CB5 #2665E4

Accessibility & contrast

On white

11.43
#10357F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.84
#10357F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10357F
11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10357F#FFFFFF#000000##FFFFFF
##10357F1.0011.431.8411.43
#FFFFFF11.431.0021.001.00
#0000001.8421.001.0021.00
##FFFFFF11.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003F82
Deuteranopia (green-blind)
#00357E
Tritanopia (blue-blind)
#004854
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #10357f;
/* rgb */ color: rgb(16, 53, 127);
/* oklch */ color: oklch(35.3% 0.132 262.1);
Tailwind
colors: {
  custom: {
    50: '#656ba5',
    500: '#10357f',
    950: '#000000',
  },
}
SCSS
$custom: #10357f;
$custom-light: #656ba5;
$custom-dark: #000000;
JSON
{
  "hex": "#10357f",
  "rgb": {
    "r": 16,
    "g": 53,
    "b": 127
  },
  "hsl": {
    "h": 220,
    "s": 77.622,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35345,
    "c": 0.13234,
    "h": 262.1
  },
  "luminance": 0.04189
}

Semantic roles & 50–950 ramp

primary
#10357F
secondary
#B58B36
accent
#B434F4
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#07060F
muted
#7A7A7F

Preview Lab

Preview with #10357F

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

Preview Lab → · Contrast checker → · Palette generator →

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