#2357A1#2357A1

#2357A1 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.3% C 0.132 H 257.9°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#2357A1
RGB	rgb(35, 87, 161)
HSL	hsl(215, 64%, 38%)
HSV	hsv(215, 78%, 63%)
CMYK	cmyk(78.3%, 46%, 0%, 36.9%)
CIE-LAB	lab(37.38, 10.06, -45.01)
CIE-LCH	lch(37.38, 46.13, 282.60°)
OKLab	oklab(46.32% -0.0278 -0.1291)
OKLCH	oklch(46.32% 0.132 257.9)
XYZ	xyz(10.5320, 9.7457, 35.0373)
Luminance	0.0975 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2357A1 #A16D23

analogous

#2396A1 #2357A1 #2E23A1

triadic

#2357A1 #A12357 #57A123

tetradic

#2357A1 #A12396 #A16D23 #23A12E

square

#2357A1 #A12396 #A16D23 #23A12E

split-complementary

#2357A1 #A12E23 #96A123

monochromatic

#0D213C #183C6F #2357A1 #2F72D2 #6294DD

Accessibility & contrast

On white

7.12

#2357A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#2357A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2357A1

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2357A1	#FFFFFF	#000000	##FFFFFF
##2357A1	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305EA4

Deuteranopia (green-blind)

#1453A0

Tritanopia (blue-blind)

#006974

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2357a1;
/* rgb */ color: rgb(35, 87, 161);
/* oklch */ color: oklch(46.3% 0.132 257.9);

Tailwind

colors: {
  custom: {
    50: '#7185bd',
    500: '#2357a1',
    950: '#000000',
  },
}

SCSS

$custom: #2357a1;
$custom-light: #7185bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2357a1",
  "rgb": {
    "r": 35,
    "g": 87,
    "b": 161
  },
  "hsl": {
    "h": 215.238,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.46315,
    "c": 0.13204,
    "h": 257.9
  },
  "luminance": 0.09747
}

Semantic roles & 50–950 ramp

primary

#2357A1

secondary

#C2995E

accent

#A241E7

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2357A1

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

Preview Lab → · Contrast checker → · Palette generator →