#2357AC#2357AC

#2357AC is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.1% C 0.147 H 259.9°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#2357AC
RGB	rgb(35, 87, 172)
HSL	hsl(217, 66%, 41%)
HSV	hsv(217, 80%, 67%)
CMYK	cmyk(79.7%, 49.4%, 0%, 32.5%)
CIE-LAB	lab(38.11, 14.38, -50.39)
CIE-LCH	lch(38.11, 52.40, 285.93°)
OKLab	oklab(47.11% -0.0259 -0.1449)
OKLCH	oklch(47.11% 0.147 259.9)
XYZ	xyz(11.5450, 10.1509, 40.3726)
Luminance	0.1015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2357AC #AC7823

analogous

#239CAC #2357AC #3323AC

triadic

#2357AC #AC2357 #57AC23

tetradic

#2357AC #AC239C #AC7823 #23AC33

square

#2357AC #AC239C #AC7823 #23AC33

split-complementary

#2357AC #AC3323 #9CAC23

monochromatic

#0E2446 #193D79 #2357AC #3673D6 #6996E0

Accessibility & contrast

On white

6.93

#2357AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2357AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2357AC

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2357AC	#FFFFFF	#000000	##FFFFFF
##2357AC	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2560AF

Deuteranopia (green-blind)

#0054AA

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2357ac;
/* rgb */ color: rgb(35, 87, 172);
/* oklch */ color: oklch(47.1% 0.147 259.9);

Tailwind

colors: {
  custom: {
    50: '#7485c5',
    500: '#2357ac',
    950: '#000000',
  },
}

SCSS

$custom: #2357ac;
$custom-light: #7485c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2357ac",
  "rgb": {
    "r": 35,
    "g": 87,
    "b": 172
  },
  "hsl": {
    "h": 217.226,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47111,
    "c": 0.1472,
    "h": 259.9
  },
  "luminance": 0.10152
}

Semantic roles & 50–950 ramp

primary

#2357AC

secondary

#C6A164

accent

#A83FE9

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #2357AC

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

Preview Lab → · Contrast checker → · Palette generator →