#10428D#10428D

#10428D is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.5% C 0.135 H 259.2°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX#10428D
RGBrgb(16, 66, 141)
HSLhsl(216, 80%, 31%)
HSVhsv(216, 89%, 55%)
CMYKcmyk(88.7%, 53.2%, 0%, 44.7%)
CIE-LABlab(29.23, 14.30, -46.05)
CIE-LCHlch(29.23, 48.22, 287.25°)
OKLaboklab(39.46% -0.0254 -0.1328)
OKLCHoklch(39.46% 0.135 259.2)
XYZxyz(6.9679, 5.9288, 25.9713)
Luminance0.0593 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10428D #8D5B10
analogous
#10808D #10428D #1C108D
triadic
#10428D #8D1042 #428D10
tetradic
#10428D #8D1080 #8D5B10 #108D1C
square
#10428D #8D1080 #8D5B10 #108D1C
split-complementary
#10428D #8D1C10 #808D10
monochromatic
#040F1F #0A2856 #10428D #165CC4 #3079E7

Accessibility & contrast

On white

9.61
#10428D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.19
#10428D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10428D
9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10428D#FFFFFF#000000##FFFFFF
##10428D1.009.612.199.61
#FFFFFF9.611.0021.001.00
#0000002.1921.001.0021.00
##FFFFFF9.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0C4B90
Deuteranopia (green-blind)
#00408C
Tritanopia (blue-blind)
#005461
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #10428d;
/* rgb */ color: rgb(16, 66, 141);
/* oklch */ color: oklch(39.5% 0.135 259.2);
Tailwind
colors: {
  custom: {
    50: '#6875af',
    500: '#10428d',
    950: '#000000',
  },
}
SCSS
$custom: #10428d;
$custom-light: #6875af;
$custom-dark: #000000;
JSON
{
  "hex": "#10428d",
  "rgb": {
    "r": 16,
    "g": 66,
    "b": 141
  },
  "hsl": {
    "h": 216,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39457,
    "c": 0.13522,
    "h": 259.2
  },
  "luminance": 0.0593
}

Semantic roles & 50–950 ramp

primary
#10428D
secondary
#C28A37
accent
#A832F6
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070810
muted
#7A7B7F

Preview Lab

Preview with #10428D

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

Preview Lab → · Contrast checker → · Palette generator →

#10428D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva