#2359AA#2359AA

#2359AA is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.4% C 0.142 H 258.7°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#2359AA
RGB	rgb(35, 89, 170)
HSL	hsl(216, 66%, 40%)
HSV	hsv(216, 79%, 67%)
CMYK	cmyk(79.4%, 47.6%, 0%, 33.3%)
CIE-LAB	lab(38.56, 12.28, -48.49)
CIE-LCH	lch(38.56, 50.02, 284.21°)
OKLab	oklab(47.41% -0.0278 -0.1393)
OKLCH	oklch(47.41% 0.142 258.7)
XYZ	xyz(11.5186, 10.4030, 39.4233)
Luminance	0.1040 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2359AA #AA7423

analogous

#239CAA #2359AA #3023AA

triadic

#2359AA #AA2359 #59AA23

tetradic

#2359AA #AA239C #AA7423 #23AA30

square

#2359AA #AA239C #AA7423 #23AA30

split-complementary

#2359AA #AA3023 #9CAA23

monochromatic

#0E2444 #193E77 #2359AA #3575D5 #6898E0

Accessibility & contrast

On white

6.82

#2359AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#2359AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2359AA

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2359AA	#FFFFFF	#000000	##FFFFFF
##2359AA	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C61AD

Deuteranopia (green-blind)

#0255A8

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2359aa;
/* rgb */ color: rgb(35, 89, 170);
/* oklch */ color: oklch(47.4% 0.142 258.7);

Tailwind

colors: {
  custom: {
    50: '#7387c4',
    500: '#2359aa',
    950: '#000000',
  },
}

SCSS

$custom: #2359aa;
$custom-light: #7387c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2359aa",
  "rgb": {
    "r": 35,
    "g": 89,
    "b": 170
  },
  "hsl": {
    "h": 216,
    "s": 65.854,
    "l": 40.196
  },
  "oklch": {
    "l": 0.47409,
    "c": 0.14201,
    "h": 258.7
  },
  "luminance": 0.10404
}

Semantic roles & 50–950 ramp

primary

#2359AA

secondary

#C69E63

accent

#A53FE9

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #2359AA

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

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