#2355BC#2355BC

#2355BC is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.9% C 0.171 H 262.4°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#2355BC
RGB	rgb(35, 85, 188)
HSL	hsl(220, 69%, 44%)
HSV	hsv(220, 81%, 74%)
CMYK	cmyk(81.4%, 54.8%, 0%, 26.3%)
CIE-LAB	lab(38.70, 21.96, -58.86)
CIE-LCH	lch(38.70, 62.82, 290.46°)
OKLab	oklab(47.92% -0.0226 -0.1699)
OKLCH	oklch(47.92% 0.171 262.4)
XYZ	xyz(13.0155, 10.4836, 48.9048)
Luminance	0.1048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2355BC #BC8A23

analogous

#23A1BC #2355BC #3D23BC

triadic

#2355BC #BC2355 #55BC23

tetradic

#2355BC #BC23A1 #BC8A23 #23BC3D

square

#2355BC #BC23A1 #BC8A23 #23BC3D

split-complementary

#2355BC #BC3D23 #A1BC23

monochromatic

#102655 #193E88 #2355BC #4173DC #7499E5

Accessibility & contrast

On white

6.78

#2355BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2355BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2355BC

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2355BC	#FFFFFF	#000000	##FFFFFF
##2355BC	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#0054BA

Tritanopia (blue-blind)

#006F80

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2355bc;
/* rgb */ color: rgb(35, 85, 188);
/* oklch */ color: oklch(47.9% 0.171 262.4);

Tailwind

colors: {
  custom: {
    50: '#7884d1',
    500: '#2355bc',
    950: '#000000',
  },
}

SCSS

$custom: #2355bc;
$custom-light: #7884d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2355bc",
  "rgb": {
    "r": 35,
    "g": 85,
    "b": 188
  },
  "hsl": {
    "h": 220.392,
    "s": 68.61,
    "l": 43.725
  },
  "oklch": {
    "l": 0.4792,
    "c": 0.17136,
    "h": 262.4
  },
  "luminance": 0.10485
}

Semantic roles & 50–950 ramp

primary

#2355BC

secondary

#CCAE6F

accent

#B23CEB

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0A14

muted

#7C7C82

Preview Lab

Preview with #2355BC

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

Preview Lab → · Contrast checker → · Palette generator →