#2357AA#2357AA

#2357AA is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.0% C 0.144 H 259.5°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#2357AA
RGB	rgb(35, 87, 170)
HSL	hsl(217, 66%, 40%)
HSV	hsv(217, 79%, 67%)
CMYK	cmyk(79.4%, 48.8%, 0%, 33.3%)
CIE-LAB	lab(37.98, 13.60, -49.42)
CIE-LCH	lch(37.98, 51.26, 285.38°)
OKLab	oklab(46.96% -0.0262 -0.142)
OKLCH	oklch(46.96% 0.144 259.5)
XYZ	xyz(11.3544, 10.0747, 39.3686)
Luminance	0.1008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2357AA #AA7623

analogous

#239AAA #2357AA #3223AA

triadic

#2357AA #AA2357 #57AA23

tetradic

#2357AA #AA239A #AA7623 #23AA32

square

#2357AA #AA239A #AA7623 #23AA32

split-complementary

#2357AA #AA3223 #9AAA23

monochromatic

#0E2344 #193D77 #2357AA #3573D5 #6896E0

Accessibility & contrast

On white

6.96

#2357AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#2357AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2357AA

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2357AA	#FFFFFF	#000000	##FFFFFF
##2357AA	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2760AD

Deuteranopia (green-blind)

#0054A8

Tritanopia (blue-blind)

#006B78

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2357aa;
/* rgb */ color: rgb(35, 87, 170);
/* oklch */ color: oklch(47.0% 0.144 259.5);

Tailwind

colors: {
  custom: {
    50: '#7385c4',
    500: '#2357aa',
    950: '#000000',
  },
}

SCSS

$custom: #2357aa;
$custom-light: #7385c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2357aa",
  "rgb": {
    "r": 35,
    "g": 87,
    "b": 170
  },
  "hsl": {
    "h": 216.889,
    "s": 65.854,
    "l": 40.196
  },
  "oklch": {
    "l": 0.46963,
    "c": 0.14445,
    "h": 259.5
  },
  "luminance": 0.10076
}

Semantic roles & 50–950 ramp

primary

#2357AA

secondary

#C6A063

accent

#A73FE9

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #2357AA

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

Preview Lab → · Contrast checker → · Palette generator →