#1C2D5A#1C2D5A

#1C2D5A is a dark, moderate blue. Relative luminance 0.029; OKLCH L 30.9% C 0.084 H 266.1°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX#1C2D5A
RGBrgb(28, 45, 90)
HSLhsl(224, 53%, 23%)
HSVhsv(224, 69%, 35%)
CMYKcmyk(68.9%, 50%, 0%, 64.7%)
CIE-LABlab(19.48, 9.56, -29.22)
CIE-LCHlch(19.48, 30.74, 288.11°)
OKLaboklab(30.92% -0.0057 -0.0835)
OKLCHoklch(30.92% 0.084 266.1)
XYZxyz(3.2621, 2.8615, 10.0513)
Luminance0.0286 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C2D5A #5A491C
analogous
#1C4C5A #1C2D5A #2A1C5A
triadic
#1C2D5A #5A1C2D #2D5A1C
tetradic
#1C2D5A #5A1C4C #5A491C #1C5A2A
square
#1C2D5A #5A1C4C #5A491C #1C5A2A
split-complementary
#1C2D5A #5A2A1C #4C5A1C
monochromatic
#070C17 #0D162B #1C2D5A #2B4489 #395CB7

Accessibility & contrast

On white

13.36
#1C2D5A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.57
#1C2D5A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D5A
13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C2D5A#FFFFFF#000000##FFFFFF
##1C2D5A1.0013.361.5713.36
#FFFFFF13.361.0021.001.00
#0000001.5721.001.0021.00
##FFFFFF13.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#17325C
Deuteranopia (green-blind)
#0C2D59
Tritanopia (blue-blind)
#00373F
Achromatopsia (no color)
#2F2F2F

Design tokens & code

CSS
--color: #1c2d5a;
/* rgb */ color: rgb(28, 45, 90);
/* oklch */ color: oklch(30.9% 0.084 266.1);
Tailwind
colors: {
  custom: {
    50: '#606589',
    500: '#1c2d5a',
    950: '#000000',
  },
}
SCSS
$custom: #1c2d5a;
$custom-light: #606589;
$custom-dark: #000000;
JSON
{
  "hex": "#1c2d5a",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 90
  },
  "hsl": {
    "h": 223.548,
    "s": 52.542,
    "l": 23.137
  },
  "oklch": {
    "l": 0.30922,
    "c": 0.08372,
    "h": 266.1
  },
  "luminance": 0.02862
}

Semantic roles & 50–950 ramp

primary
#1C2D5A
secondary
#8F7A42
accent
#B44CDC
background
#F5F6F8
surface
#EAEBF0
border
#C6C6CB
text
#05050B
muted
#797A7C

Preview Lab

Preview with #1C2D5A

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

Preview Lab → · Contrast checker → · Palette generator →

#1C2D5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva