#1C2D5B#1C2D5B

#1C2D5B is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.0% C 0.085 H 266.3°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX#1C2D5B
RGBrgb(28, 45, 91)
HSLhsl(224, 53%, 23%)
HSVhsv(224, 69%, 36%)
CMYKcmyk(69.2%, 50.5%, 0%, 64.3%)
CIE-LABlab(19.55, 9.96, -29.77)
CIE-LCHlch(19.55, 31.39, 288.50°)
OKLaboklab(31% -0.0055 -0.0851)
OKLCHoklch(31% 0.085 266.3)
XYZxyz(3.3050, 2.8787, 10.2770)
Luminance0.0288 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C2D5B #5B4A1C
analogous
#1C4C5B #1C2D5B #2A1C5B
triadic
#1C2D5B #5B1C2D #2D5B1C
tetradic
#1C2D5B #5B1C4C #5B4A1C #1C5B2A
square
#1C2D5B #5B1C4C #5B4A1C #1C5B2A
split-complementary
#1C2D5B #5B2A1C #4C5B1C
monochromatic
#070C17 #0E162C #1C2D5B #2A448A #395BB9

Accessibility & contrast

On white

13.33
#1C2D5B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.58
#1C2D5B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D5B
13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C2D5B#FFFFFF#000000##FFFFFF
##1C2D5B1.0013.331.5813.33
#FFFFFF13.331.0021.001.00
#0000001.5821.001.0021.00
##FFFFFF13.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#16325D
Deuteranopia (green-blind)
#0A2D5A
Tritanopia (blue-blind)
#00383F
Achromatopsia (no color)
#2F2F2F

Design tokens & code

CSS
--color: #1c2d5b;
/* rgb */ color: rgb(28, 45, 91);
/* oklch */ color: oklch(31.0% 0.085 266.3);
Tailwind
colors: {
  custom: {
    50: '#60658a',
    500: '#1c2d5b',
    950: '#000000',
  },
}
SCSS
$custom: #1c2d5b;
$custom-light: #60658a;
$custom-dark: #000000;
JSON
{
  "hex": "#1c2d5b",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 91
  },
  "hsl": {
    "h": 223.81,
    "s": 52.941,
    "l": 23.333
  },
  "oklch": {
    "l": 0.30999,
    "c": 0.08532,
    "h": 266.3
  },
  "luminance": 0.02879
}

Semantic roles & 50–950 ramp

primary
#1C2D5B
secondary
#907B42
accent
#B54BDC
background
#F5F6F8
surface
#EAEBF0
border
#C6C6CB
text
#05050B
muted
#797A7C

Preview Lab

Preview with #1C2D5B

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

Preview Lab → · Contrast checker → · Palette generator →

#1C2D5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva