#2359B0#2359B0

#2359B0 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.8% C 0.150 H 259.7°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#2359B0
RGB	rgb(35, 89, 176)
HSL	hsl(217, 67%, 41%)
HSV	hsv(217, 80%, 69%)
CMYK	cmyk(80.1%, 49.4%, 0%, 31%)
CIE-LAB	lab(38.96, 14.63, -51.38)
CIE-LCH	lch(38.96, 53.43, 285.89°)
OKLab	oklab(47.85% -0.0269 -0.1478)
OKLCH	oklch(47.85% 0.15 259.7)
XYZ	xyz(12.0991, 10.6352, 42.4810)
Luminance	0.1064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2359B0 #B07A23

analogous

#23A0B0 #2359B0 #3323B0

triadic

#2359B0 #B02359 #59B023

tetradic

#2359B0 #B023A0 #B07A23 #23B033

square

#2359B0 #B023A0 #B07A23 #23B033

split-complementary

#2359B0 #B03323 #A0B023

monochromatic

#0F254A #193F7D #2359B0 #3976D8 #6C99E2

Accessibility & contrast

On white

6.71

#2359B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#2359B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2359B0

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2359B0	#FFFFFF	#000000	##FFFFFF
##2359B0	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2563B3

Deuteranopia (green-blind)

#0056AE

Tritanopia (blue-blind)

#006E7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2359b0;
/* rgb */ color: rgb(35, 89, 176);
/* oklch */ color: oklch(47.8% 0.150 259.7);

Tailwind

colors: {
  custom: {
    50: '#7587c8',
    500: '#2359b0',
    950: '#000000',
  },
}

SCSS

$custom: #2359b0;
$custom-light: #7587c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2359b0",
  "rgb": {
    "r": 35,
    "g": 89,
    "b": 176
  },
  "hsl": {
    "h": 217.021,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.47848,
    "c": 0.15022,
    "h": 259.7
  },
  "luminance": 0.10637
}

Semantic roles & 50–950 ramp

primary

#2359B0

secondary

#C8A367

accent

#A83EEA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2359B0

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

Preview Lab → · Contrast checker → · Palette generator →