#2357AF#2357AF

#2357AF is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.3% C 0.151 H 260.3°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#2357AF
RGB	rgb(35, 87, 175)
HSL	hsl(218, 67%, 41%)
HSV	hsv(218, 80%, 69%)
CMYK	cmyk(80%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(38.32, 15.56, -51.83)
CIE-LCH	lch(38.32, 54.11, 286.71°)
OKLab	oklab(47.33% -0.0255 -0.1491)
OKLCH	oklch(47.33% 0.151 260.3)
XYZ	xyz(11.8364, 10.2675, 41.9071)
Luminance	0.1027 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2357AF #AF7B23

analogous

#239DAF #2357AF #3523AF

triadic

#2357AF #AF2357 #57AF23

tetradic

#2357AF #AF239D #AF7B23 #23AF35

square

#2357AF #AF239D #AF7B23 #23AF35

split-complementary

#2357AF #AF3523 #9DAF23

monochromatic

#0F2449 #193E7C #2357AF #3873D7 #6B97E1

Accessibility & contrast

On white

6.88

#2357AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#2357AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2357AF

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2357AF	#FFFFFF	#000000	##FFFFFF
##2357AF	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2161B2

Deuteranopia (green-blind)

#0054AD

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2357af;
/* rgb */ color: rgb(35, 87, 175);
/* oklch */ color: oklch(47.3% 0.151 260.3);

Tailwind

colors: {
  custom: {
    50: '#7485c7',
    500: '#2357af',
    950: '#000000',
  },
}

SCSS

$custom: #2357af;
$custom-light: #7485c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2357af",
  "rgb": {
    "r": 35,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 217.714,
    "s": 66.667,
    "l": 41.176
  },
  "oklch": {
    "l": 0.47334,
    "c": 0.1513,
    "h": 260.3
  },
  "luminance": 0.10269
}

Semantic roles & 50–950 ramp

primary

#2357AF

secondary

#C7A366

accent

#AA3EEA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2357AF

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

Preview Lab → · Contrast checker → · Palette generator →