#233C90#233C90

#233C90 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.1% C 0.142 H 266.9°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#233C90
RGB	rgb(35, 60, 144)
HSL	hsl(226, 61%, 35%)
HSV	hsv(226, 76%, 56%)
CMYK	cmyk(75.7%, 58.3%, 0%, 43.5%)
CIE-LAB	lab(28.39, 21.62, -49.24)
CIE-LCH	lch(28.39, 53.78, 293.71°)
OKLab	oklab(39.07% -0.0076 -0.142)
OKLCH	oklch(39.07% 0.142 266.9)
XYZ	xyz(7.3413, 5.6019, 27.0745)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C90 #907723

analogous

#237290 #233C90 #412390

triadic

#233C90 #90233C #3C9023

tetradic

#233C90 #902372 #907723 #239041

square

#233C90 #902372 #907723 #239041

split-complementary

#233C90 #904123 #729023

monochromatic

#0B132E #17275F #233C90 #2F51C1 #5774D6

Accessibility & contrast

On white

9.90

#233C90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#233C90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C90

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C90	#FFFFFF	#000000	##FFFFFF
##233C90	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004893

Deuteranopia (green-blind)

#003E8E

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #233c90;
/* rgb */ color: rgb(35, 60, 144);
/* oklch */ color: oklch(39.1% 0.142 266.9);

Tailwind

colors: {
  custom: {
    50: '#6e71b1',
    500: '#233c90',
    950: '#000000',
  },
}

SCSS

$custom: #233c90;
$custom-light: #6e71b1;
$custom-dark: #000000;

JSON

{
  "hex": "#233c90",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 144
  },
  "hsl": {
    "h": 226.239,
    "s": 60.894,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39069,
    "c": 0.14223,
    "h": 266.9
  },
  "luminance": 0.05603
}

Semantic roles & 50–950 ramp

primary

#233C90

secondary

#BAA354

accent

#BF44E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #233C90

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

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