#1C259F#1C259F

#1C259F is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.1% C 0.191 H 269.2°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX#1C259F
RGBrgb(28, 37, 159)
HSLhsl(236, 70%, 37%)
HSVhsv(236, 82%, 62%)
CMYKcmyk(82.4%, 76.7%, 0%, 37.6%)
CIE-LABlab(23.91, 41.44, -65.79)
CIE-LCHlch(23.91, 77.76, 302.21°)
OKLaboklab(36.15% -0.0027 -0.1906)
OKLCHoklch(36.15% 0.191 269.2)
XYZxyz(7.3963, 4.0723, 33.1904)
Luminance0.0407 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C259F #9F961C
analogous
#1C679F #1C259F #551C9F
triadic
#1C259F #9F1C25 #259F1C
tetradic
#1C259F #9F1C67 #9F961C #1C9F55
square
#1C259F #9F1C67 #9F961C #1C9F55
split-complementary
#1C259F #9F551C #679F1C
monochromatic
#0A0D37 #13196B #1C259F #2531D3 #545EE1

Accessibility & contrast

On white

11.57
#1C259F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.81
#1C259F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C259F
11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C259F#FFFFFF#000000##FFFFFF
##1C259F1.0011.571.8111.57
#FFFFFF11.571.0021.001.00
#0000001.8121.001.0021.00
##FFFFFF11.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003FA3
Deuteranopia (green-blind)
#00329D
Tritanopia (blue-blind)
#004960
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #1c259f;
/* rgb */ color: rgb(28, 37, 159);
/* oklch */ color: oklch(36.1% 0.191 269.2);
Tailwind
colors: {
  custom: {
    50: '#7261bd',
    500: '#1c259f',
    950: '#000000',
  },
}
SCSS
$custom: #1c259f;
$custom-light: #7261bd;
$custom-dark: #000000;
JSON
{
  "hex": "#1c259f",
  "rgb": {
    "r": 28,
    "g": 37,
    "b": 159
  },
  "hsl": {
    "h": 235.878,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36148,
    "c": 0.19064,
    "h": 269.2
  },
  "luminance": 0.04073
}

Semantic roles & 50–950 ramp

primary
#1C259F
secondary
#C4BC53
accent
#E13BED
background
#F7F5FB
surface
#EEEAF7
border
#C9C6D0
text
#0A0512
muted
#7C7981

Preview Lab

Preview with #1C259F

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

Preview Lab → · Contrast checker → · Palette generator →

#1C259F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva