#2359BD#2359BD

#2359BD is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.8% C 0.168 H 261.4°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#2359BD
RGB	rgb(35, 89, 189)
HSL	hsl(219, 69%, 44%)
HSV	hsv(219, 81%, 74%)
CMYK	cmyk(81.5%, 52.9%, 0%, 25.9%)
CIE-LAB	lab(39.87, 19.71, -57.54)
CIE-LCH	lch(39.87, 60.82, 288.91°)
OKLab	oklab(48.84% -0.0252 -0.1659)
OKLCH	oklch(48.84% 0.168 261.4)
XYZ	xyz(13.4475, 11.1746, 49.5824)
Luminance	0.1118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2359BD #BD8723

analogous

#23A6BD #2359BD #3A23BD

triadic

#2359BD #BD2359 #59BD23

tetradic

#2359BD #BD23A6 #BD8723 #23BD3A

square

#2359BD #BD23A6 #BD8723 #23BD3A

split-complementary

#2359BD #BD3A23 #A6BD23

monochromatic

#102856 #194189 #2359BD #4178DC #759CE5

Accessibility & contrast

On white

6.49

#2359BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#2359BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2359BD

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2359BD	#FFFFFF	#000000	##FFFFFF
##2359BD	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B65C1

Deuteranopia (green-blind)

#0057BB

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2359bd;
/* rgb */ color: rgb(35, 89, 189);
/* oklch */ color: oklch(48.8% 0.168 261.4);

Tailwind

colors: {
  custom: {
    50: '#7887d2',
    500: '#2359bd',
    950: '#000000',
  },
}

SCSS

$custom: #2359bd;
$custom-light: #7887d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2359bd",
  "rgb": {
    "r": 35,
    "g": 89,
    "b": 189
  },
  "hsl": {
    "h": 218.961,
    "s": 68.75,
    "l": 43.922
  },
  "oklch": {
    "l": 0.48836,
    "c": 0.1678,
    "h": 261.4
  },
  "luminance": 0.11176
}

Semantic roles & 50–950 ramp

primary

#2359BD

secondary

#CDAC6F

accent

#AE3CEC

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0A0B14

muted

#7C7C83

Preview Lab

Preview with #2359BD

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

Preview Lab → · Contrast checker → · Palette generator →