#233F86#233F86

#233F86 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.124 H 264.9°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#233F86
RGB	rgb(35, 63, 134)
HSL	hsl(223, 59%, 33%)
HSV	hsv(223, 74%, 53%)
CMYK	cmyk(73.9%, 53%, 0%, 47.5%)
CIE-LAB	lab(28.47, 15.62, -42.93)
CIE-LCH	lch(28.47, 45.68, 289.99°)
OKLab	oklab(38.89% -0.0109 -0.1234)
OKLCH	oklch(38.89% 0.124 264.9)
XYZ	xyz(6.7722, 5.6329, 23.2800)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233F86 #866A23

analogous

#237086 #233F86 #382386

triadic

#233F86 #86233F #3F8623

tetradic

#233F86 #862370 #866A23 #238638

square

#233F86 #862370 #866A23 #238638

split-complementary

#233F86 #863823 #708623

monochromatic

#0A1125 #162855 #233F86 #3056B7 #5276D2

Accessibility & contrast

On white

9.87

#233F86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#233F86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F86

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233F86	#FFFFFF	#000000	##FFFFFF
##233F86	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124889

Deuteranopia (green-blind)

#003F85

Tritanopia (blue-blind)

#00505C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #233f86;
/* rgb */ color: rgb(35, 63, 134);
/* oklch */ color: oklch(38.9% 0.124 264.9);

Tailwind

colors: {
  custom: {
    50: '#6c73aa',
    500: '#233f86',
    950: '#000000',
  },
}

SCSS

$custom: #233f86;
$custom-light: #6c73aa;
$custom-dark: #000000;

JSON

{
  "hex": "#233f86",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 134
  },
  "hsl": {
    "h": 223.03,
    "s": 58.58,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38887,
    "c": 0.12388,
    "h": 264.9
  },
  "luminance": 0.05634
}

Semantic roles & 50–950 ramp

primary

#233F86

secondary

#B5994F

accent

#B646E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #233F86

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

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