#2357AD#2357AD

#2357AD is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.2% C 0.149 H 260.0°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#2357AD
RGB	rgb(35, 87, 173)
HSL	hsl(217, 66%, 41%)
HSV	hsv(217, 80%, 68%)
CMYK	cmyk(79.8%, 49.7%, 0%, 32.2%)
CIE-LAB	lab(38.18, 14.77, -50.87)
CIE-LCH	lch(38.18, 52.97, 286.19°)
OKLab	oklab(47.19% -0.0257 -0.1463)
OKLCH	oklch(47.19% 0.149 260)
XYZ	xyz(11.6414, 10.1895, 40.8803)
Luminance	0.1019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2357AD #AD7923

analogous

#239CAD #2357AD #3423AD

triadic

#2357AD #AD2357 #57AD23

tetradic

#2357AD #AD239C #AD7923 #23AD34

square

#2357AD #AD239C #AD7923 #23AD34

split-complementary

#2357AD #AD3423 #9CAD23

monochromatic

#0E2447 #193D7A #2357AD #3773D6 #6A97E1

Accessibility & contrast

On white

6.91

#2357AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2357AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2357AD

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2357AD	#FFFFFF	#000000	##FFFFFF
##2357AD	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)

#2461B0

Deuteranopia (green-blind)

#0054AB

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2357ad;
/* rgb */ color: rgb(35, 87, 173);
/* oklch */ color: oklch(47.2% 0.149 260.0);

Tailwind

colors: {
  custom: {
    50: '#7485c6',
    500: '#2357ad',
    950: '#000000',
  },
}

SCSS

$custom: #2357ad;
$custom-light: #7485c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2357ad",
  "rgb": {
    "r": 35,
    "g": 87,
    "b": 173
  },
  "hsl": {
    "h": 217.391,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.47185,
    "c": 0.14857,
    "h": 260
  },
  "luminance": 0.10191
}

Semantic roles & 50–950 ramp

primary

#2357AD

secondary

#C7A265

accent

#A93FE9

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2357AD

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

Preview Lab → · Contrast checker → · Palette generator →