#1C3071#1C3071

#1C3071 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.5% C 0.115 H 267.0°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX#1C3071
RGBrgb(28, 48, 113)
HSLhsl(226, 60%, 28%)
HSVhsv(226, 75%, 44%)
CMYKcmyk(75.2%, 57.5%, 0%, 55.7%)
CIE-LABlab(22.13, 16.72, -39.94)
CIE-LCHlch(22.13, 43.30, 292.71°)
OKLaboklab(33.49% -0.006 -0.115)
OKLCHoklch(33.49% 0.115 267)
XYZxyz(4.5154, 3.5526, 16.0673)
Luminance0.0355 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C3071 #715D1C
analogous
#1C5B71 #1C3071 #321C71
triadic
#1C3071 #711C30 #30711C
tetradic
#1C3071 #711C5B #715D1C #1C7132
square
#1C3071 #711C5B #715D1C #1C7132
split-complementary
#1C3071 #71321C #5B711C
monochromatic
#060A19 #101B40 #1C3071 #2845A2 #395CCE

Accessibility & contrast

On white

12.28
#1C3071 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.71
#1C3071 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3071
12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C3071#FFFFFF#000000##FFFFFF
##1C30711.0012.281.7112.28
#FFFFFF12.281.0021.001.00
#0000001.7121.001.0021.00
##FFFFFF12.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003973
Deuteranopia (green-blind)
#003170
Tritanopia (blue-blind)
#00404B
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #1c3071;
/* rgb */ color: rgb(28, 48, 113);
/* oklch */ color: oklch(33.5% 0.115 267.0);
Tailwind
colors: {
  custom: {
    50: '#65679a',
    500: '#1c3071',
    950: '#000000',
  },
}
SCSS
$custom: #1c3071;
$custom-light: #65679a;
$custom-dark: #000000;
JSON
{
  "hex": "#1c3071",
  "rgb": {
    "r": 28,
    "g": 48,
    "b": 113
  },
  "hsl": {
    "h": 225.882,
    "s": 60.284,
    "l": 27.647
  },
  "oklch": {
    "l": 0.33491,
    "c": 0.11519,
    "h": 267
  },
  "luminance": 0.03553
}

Semantic roles & 50–950 ramp

primary
#1C3071
secondary
#A68E43
accent
#BE44E3
background
#F6F6F9
surface
#EBEBF2
border
#C6C6CC
text
#06060E
muted
#7A7A7E

Preview Lab

Preview with #1C3071

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

Preview Lab → · Contrast checker → · Palette generator →

#1C3071 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva