#233D90#233D90

#233D90 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.141 H 266.6°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#233D90
RGB	rgb(35, 61, 144)
HSL	hsl(226, 61%, 35%)
HSV	hsv(226, 76%, 56%)
CMYK	cmyk(75.7%, 57.6%, 0%, 43.5%)
CIE-LAB	lab(28.66, 20.94, -48.79)
CIE-LCH	lch(28.66, 53.09, 293.22°)
OKLab	oklab(39.28% -0.0084 -0.1407)
OKLCH	oklch(39.28% 0.141 266.6)
XYZ	xyz(7.3942, 5.7076, 27.0921)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D90 #907623

analogous

#237490 #233D90 #3F2390

triadic

#233D90 #90233D #3D9023

tetradic

#233D90 #902374 #907623 #23903F

square

#233D90 #902374 #907623 #23903F

split-complementary

#233D90 #903F23 #749023

monochromatic

#0B132E #17285F #233D90 #2F52C1 #5775D6

Accessibility & contrast

On white

9.81

#233D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#233D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D90

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D90	#FFFFFF	#000000	##FFFFFF
##233D90	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004993

Deuteranopia (green-blind)

#003F8E

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #233d90;
/* rgb */ color: rgb(35, 61, 144);
/* oklch */ color: oklch(39.3% 0.141 266.6);

Tailwind

colors: {
  custom: {
    50: '#6e72b1',
    500: '#233d90',
    950: '#000000',
  },
}

SCSS

$custom: #233d90;
$custom-light: #6e72b1;
$custom-dark: #000000;

JSON

{
  "hex": "#233d90",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 144
  },
  "hsl": {
    "h": 225.688,
    "s": 60.894,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39278,
    "c": 0.14093,
    "h": 266.6
  },
  "luminance": 0.05708
}

Semantic roles & 50–950 ramp

primary

#233D90

secondary

#BAA254

accent

#BE44E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #233D90

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

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