#233E90#233E90

#233E90 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.140 H 266.2°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#233E90
RGB	rgb(35, 62, 144)
HSL	hsl(225, 61%, 35%)
HSV	hsv(225, 76%, 56%)
CMYK	cmyk(75.7%, 56.9%, 0%, 43.5%)
CIE-LAB	lab(28.94, 20.25, -48.34)
CIE-LCH	lch(28.94, 52.40, 292.73°)
OKLab	oklab(39.49% -0.0092 -0.1393)
OKLCH	oklch(39.49% 0.14 266.2)
XYZ	xyz(7.4480, 5.8154, 27.1101)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E90 #907523

analogous

#237490 #233E90 #3F2390

triadic

#233E90 #90233E #3E9023

tetradic

#233E90 #902374 #907523 #23903F

square

#233E90 #902374 #907523 #23903F

split-complementary

#233E90 #903F23 #749023

monochromatic

#0B142E #17295F #233E90 #2F53C1 #5777D6

Accessibility & contrast

On white

9.71

#233E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#233E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E90

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E90	#FFFFFF	#000000	##FFFFFF
##233E90	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004993

Deuteranopia (green-blind)

#003F8E

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #233e90;
/* rgb */ color: rgb(35, 62, 144);
/* oklch */ color: oklch(39.5% 0.140 266.2);

Tailwind

colors: {
  custom: {
    50: '#6e72b1',
    500: '#233e90',
    950: '#000000',
  },
}

SCSS

$custom: #233e90;
$custom-light: #6e72b1;
$custom-dark: #000000;

JSON

{
  "hex": "#233e90",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 144
  },
  "hsl": {
    "h": 225.138,
    "s": 60.894,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39488,
    "c": 0.13963,
    "h": 266.2
  },
  "luminance": 0.05816
}

Semantic roles & 50–950 ramp

primary

#233E90

secondary

#BAA154

accent

#BC44E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #233E90

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

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