#1C65B1#1C65B1

#1C65B1 is a mid, vivid cyan. Relative luminance 0.127; OKLCH L 50.4% C 0.139 H 253.4°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#1C65B1
RGB	rgb(28, 101, 177)
HSL	hsl(211, 73%, 40%)
HSV	hsv(211, 84%, 69%)
CMYK	cmyk(84.2%, 42.9%, 0%, 30.6%)
CIE-LAB	lab(42.35, 6.54, -46.54)
CIE-LCH	lch(42.35, 46.99, 278.00°)
OKLab	oklab(50.44% -0.0399 -0.1334)
OKLCH	oklch(50.44% 0.139 253.4)
XYZ	xyz(13.0654, 12.7269, 43.3544)
Luminance	0.1273 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C65B1 #B1681C

analogous

#1CAFB1 #1C65B1 #1D1CB1

triadic

#1C65B1 #B11C65 #65B11C

tetradic

#1C65B1 #B11CAF #B1681C #1CB11D

square

#1C65B1 #B11CAF #B1681C #1CB11D

split-complementary

#1C65B1 #B11D1C #AFB11C

monochromatic

#0B2947 #14477C #1C65B1 #2C83DE #61A2E6

Accessibility & contrast

On white

5.92

#1C65B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#1C65B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C65B1

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C65B1	#FFFFFF	#000000	##FFFFFF
##1C65B1	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6BB4

Deuteranopia (green-blind)

#225EB0

Tritanopia (blue-blind)

#007782

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #1c65b1;
/* rgb */ color: rgb(28, 101, 177);
/* oklch */ color: oklch(50.4% 0.139 253.4);

Tailwind

colors: {
  custom: {
    50: '#7390c9',
    500: '#1c65b1',
    950: '#000000',
  },
}

SCSS

$custom: #1c65b1;
$custom-light: #7390c9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c65b1",
  "rgb": {
    "r": 28,
    "g": 101,
    "b": 177
  },
  "hsl": {
    "h": 210.604,
    "s": 72.683,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50437,
    "c": 0.13919,
    "h": 253.4
  },
  "luminance": 0.12729
}

Semantic roles & 50–950 ramp

primary

#1C65B1

secondary

#CB955E

accent

#9638EF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090C13

muted

#7B7D82

Preview Lab

Preview with #1C65B1

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

Preview Lab → · Contrast checker → · Palette generator →