#1C35A9#1C35A9

#1C35A9 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.8% C 0.186 H 267.0°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX#1C35A9
RGBrgb(28, 53, 169)
HSLhsl(229, 72%, 39%)
HSVhsv(229, 83%, 66%)
CMYKcmyk(83.4%, 68.6%, 0%, 33.7%)
CIE-LABlab(28.53, 35.21, -64.22)
CIE-LCHlch(28.53, 73.24, 298.73°)
OKLaboklab(39.78% -0.0098 -0.1861)
OKLCHoklch(39.78% 0.186 267)
XYZxyz(8.9109, 5.6566, 38.1506)
Luminance0.0566 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C35A9 #A9901C
analogous
#1C7BA9 #1C35A9 #491CA9
triadic
#1C35A9 #A91C35 #35A91C
tetradic
#1C35A9 #A91C7B #A9901C #1CA949
square
#1C35A9 #A91C7B #A9901C #1CA949
split-complementary
#1C35A9 #A9491C #7BA91C
monochromatic
#0B1440 #132574 #1C35A9 #2747DB #5B74E4

Accessibility & contrast

On white

9.85
#1C35A9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.13
#1C35A9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C35A9
9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C35A9#FFFFFF#000000##FFFFFF
##1C35A91.009.852.139.85
#FFFFFF9.851.0021.001.00
#0000002.1321.001.0021.00
##FFFFFF9.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004AAD
Deuteranopia (green-blind)
#003DA7
Tritanopia (blue-blind)
#00556A
Achromatopsia (no color)
#434343

Design tokens & code

CSS
--color: #1c35a9;
/* rgb */ color: rgb(28, 53, 169);
/* oklch */ color: oklch(39.8% 0.186 267.0);
Tailwind
colors: {
  custom: {
    50: '#736cc4',
    500: '#1c35a9',
    950: '#000000',
  },
}
SCSS
$custom: #1c35a9;
$custom-light: #736cc4;
$custom-dark: #000000;
JSON
{
  "hex": "#1c35a9",
  "rgb": {
    "r": 28,
    "g": 53,
    "b": 169
  },
  "hsl": {
    "h": 229.362,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.39785,
    "c": 0.18636,
    "h": 267
  },
  "luminance": 0.05658
}

Semantic roles & 50–950 ramp

primary
#1C35A9
secondary
#C8B459
accent
#CE39EE
background
#F7F6FC
surface
#EEEBF8
border
#C9C6D1
text
#0A0713
muted
#7C7A82

Preview Lab

Preview with #1C35A9

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

Preview Lab → · Contrast checker → · Palette generator →

#1C35A9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva