#2356B1#2356B1

#2356B1 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.3% C 0.155 H 260.9°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#2356B1
RGB	rgb(35, 86, 177)
HSL	hsl(218, 67%, 42%)
HSV	hsv(218, 80%, 69%)
CMYK	cmyk(80.2%, 51.4%, 0%, 30.6%)
CIE-LAB	lab(38.17, 17.00, -53.24)
CIE-LCH	lch(38.17, 55.89, 287.71°)
OKLab	oklab(47.27% -0.0244 -0.1533)
OKLCH	oklch(47.27% 0.155 260.9)
XYZ	xyz(11.9539, 10.1858, 42.9225)
Luminance	0.1019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2356B1 #B17E23

analogous

#239DB1 #2356B1 #3723B1

triadic

#2356B1 #B12356 #56B123

tetradic

#2356B1 #B1239D #B17E23 #23B137

square

#2356B1 #B1239D #B17E23 #23B137

split-complementary

#2356B1 #B13723 #9DB123

monochromatic

#0F244B #193D7E #2356B1 #3972D8 #6C97E2

Accessibility & contrast

On white

6.91

#2356B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2356B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2356B1

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2356B1	#FFFFFF	#000000	##FFFFFF
##2356B1	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A61B4

Deuteranopia (green-blind)

#0054AF

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2356b1;
/* rgb */ color: rgb(35, 86, 177);
/* oklch */ color: oklch(47.3% 0.155 260.9);

Tailwind

colors: {
  custom: {
    50: '#7585c9',
    500: '#2356b1',
    950: '#000000',
  },
}

SCSS

$custom: #2356b1;
$custom-light: #7585c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2356b1",
  "rgb": {
    "r": 35,
    "g": 86,
    "b": 177
  },
  "hsl": {
    "h": 218.451,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.47269,
    "c": 0.15527,
    "h": 260.9
  },
  "luminance": 0.10187
}

Semantic roles & 50–950 ramp

primary

#2356B1

secondary

#C8A668

accent

#AC3EEA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2356B1

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

Preview Lab → · Contrast checker → · Palette generator →