#1C65BC#1C65BC

#1C65BC is a mid, vivid cyan. Relative luminance 0.132; OKLCH L 51.2% C 0.154 H 255.8°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX#1C65BC
RGBrgb(28, 101, 188)
HSLhsl(213, 74%, 42%)
HSVhsv(213, 85%, 74%)
CMYKcmyk(85.1%, 46.3%, 0%, 26.3%)
CIE-LABlab(43.04, 10.87, -51.85)
CIE-LCHlch(43.04, 52.98, 281.84°)
OKLaboklab(51.19% -0.0376 -0.149)
OKLCHoklch(51.19% 0.154 255.8)
XYZxyz(14.2063, 13.1833, 49.3631)
Luminance0.1318 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C65BC #BC731C
analogous
#1CB5BC #1C65BC #231CBC
triadic
#1C65BC #BC1C65 #65BC1C
tetradic
#1C65BC #BC1CB5 #BC731C #1CBC23
square
#1C65BC #BC1CB5 #BC731C #1CBC23
split-complementary
#1C65BC #BC231C #B5BC1C
monochromatic
#0C2C51 #144887 #1C65BC #3483E1 #6AA4E9

Accessibility & contrast

On white

5.77
#1C65BC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.64
#1C65BC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C65BC
5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C65BC#FFFFFF#000000##FFFFFF
##1C65BC1.005.773.645.77
#FFFFFF5.771.0021.001.00
#0000003.6421.001.0021.00
##FFFFFF5.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#356DBF
Deuteranopia (green-blind)
#055FBA
Tritanopia (blue-blind)
#007A87
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #1c65bc;
/* rgb */ color: rgb(28, 101, 188);
/* oklch */ color: oklch(51.2% 0.154 255.8);
Tailwind
colors: {
  custom: {
    50: '#7590d1',
    500: '#1c65bc',
    950: '#000000',
  },
}
SCSS
$custom: #1c65bc;
$custom-light: #7590d1;
$custom-dark: #000000;
JSON
{
  "hex": "#1c65bc",
  "rgb": {
    "r": 28,
    "g": 101,
    "b": 188
  },
  "hsl": {
    "h": 212.625,
    "s": 74.074,
    "l": 42.353
  },
  "oklch": {
    "l": 0.51193,
    "c": 0.15368,
    "h": 255.8
  },
  "luminance": 0.13185
}

Semantic roles & 50–950 ramp

primary
#1C65BC
secondary
#CE9E65
accent
#9C37F1
background
#F7F8FC
surface
#EEF0F9
border
#C9CBD2
text
#0A0C14
muted
#7C7D82

Preview Lab

Preview with #1C65BC

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

Preview Lab → · Contrast checker → · Palette generator →

#1C65BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva