#10438D#10438D

#10438D is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.7% C 0.134 H 258.8°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX#10438D
RGBrgb(16, 67, 141)
HSLhsl(216, 80%, 31%)
HSVhsv(216, 89%, 55%)
CMYKcmyk(88.7%, 52.5%, 0%, 44.7%)
CIE-LABlab(29.53, 13.60, -45.57)
CIE-LCHlch(29.53, 47.55, 286.62°)
OKLaboklab(39.68% -0.0261 -0.1314)
OKLCHoklch(39.68% 0.134 258.8)
XYZxyz(7.0268, 6.0467, 25.9909)
Luminance0.0605 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10438D #8D5A10
analogous
#10818D #10438D #1B108D
triadic
#10438D #8D1043 #438D10
tetradic
#10438D #8D1081 #8D5A10 #108D1B
square
#10438D #8D1081 #8D5A10 #108D1B
split-complementary
#10438D #8D1B10 #818D10
monochromatic
#040F1F #0A2956 #10438D #165DC4 #307BE7

Accessibility & contrast

On white

9.50
#10438D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.21
#10438D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10438D
9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10438D#FFFFFF#000000##FFFFFF
##10438D1.009.502.219.50
#FFFFFF9.501.0021.001.00
#0000002.2121.001.0021.00
##FFFFFF9.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#104B90
Deuteranopia (green-blind)
#00408C
Tritanopia (blue-blind)
#005561
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #10438d;
/* rgb */ color: rgb(16, 67, 141);
/* oklch */ color: oklch(39.7% 0.134 258.8);
Tailwind
colors: {
  custom: {
    50: '#6876af',
    500: '#10438d',
    950: '#000000',
  },
}
SCSS
$custom: #10438d;
$custom-light: #6876af;
$custom-dark: #000000;
JSON
{
  "hex": "#10438d",
  "rgb": {
    "r": 16,
    "g": 67,
    "b": 141
  },
  "hsl": {
    "h": 215.52,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39684,
    "c": 0.13393,
    "h": 258.8
  },
  "luminance": 0.06048
}

Semantic roles & 50–950 ramp

primary
#10438D
secondary
#C28937
accent
#A632F6
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070810
muted
#7A7B7F

Preview Lab

Preview with #10438D

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

Preview Lab → · Contrast checker → · Palette generator →

#10438D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva