#1C438E#1C438E

#1C438E is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.1% C 0.132 H 261.8°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX#1C438E
RGBrgb(28, 67, 142)
HSLhsl(219, 67%, 33%)
HSVhsv(219, 80%, 56%)
CMYKcmyk(80.3%, 52.8%, 0%, 44.3%)
CIE-LABlab(29.94, 15.15, -45.49)
CIE-LCHlch(29.94, 47.95, 288.41°)
OKLaboklab(40.12% -0.0189 -0.131)
OKLCHoklch(40.12% 0.132 261.8)
XYZxyz(7.3668, 6.2133, 26.3970)
Luminance0.0621 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C438E #8E671C
analogous
#1C7C8E #1C438E #2E1C8E
triadic
#1C438E #8E1C43 #438E1C
tetradic
#1C438E #8E1C7C #8E671C #1C8E2E
square
#1C438E #8E1C7C #8E671C #1C8E2E
split-complementary
#1C438E #8E2E1C #7C8E1C
monochromatic
#081328 #122B5B #1C438E #265BC1 #497BDB

Accessibility & contrast

On white

9.36
#1C438E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.24
#1C438E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C438E
9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C438E#FFFFFF#000000##FFFFFF
##1C438E1.009.362.249.36
#FFFFFF9.361.0021.001.00
#0000002.2421.001.0021.00
##FFFFFF9.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#114C91
Deuteranopia (green-blind)
#00428D
Tritanopia (blue-blind)
#005562
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #1c438e;
/* rgb */ color: rgb(28, 67, 142);
/* oklch */ color: oklch(40.1% 0.132 261.8);
Tailwind
colors: {
  custom: {
    50: '#6b76b0',
    500: '#1c438e',
    950: '#000000',
  },
}
SCSS
$custom: #1c438e;
$custom-light: #6b76b0;
$custom-dark: #000000;
JSON
{
  "hex": "#1c438e",
  "rgb": {
    "r": 28,
    "g": 67,
    "b": 142
  },
  "hsl": {
    "h": 219.474,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.40121,
    "c": 0.13237,
    "h": 261.8
  },
  "luminance": 0.06214
}

Semantic roles & 50–950 ramp

primary
#1C438E
secondary
#BD9549
accent
#AF3EEA
background
#F6F7FA
surface
#ECEDF5
border
#C7C8CF
text
#080810
muted
#7A7B7F

Preview Lab

Preview with #1C438E

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

Preview Lab → · Contrast checker → · Palette generator →

#1C438E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva