#233F90#233F90

#233F90 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.138 H 265.9°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#233F90
RGB	rgb(35, 63, 144)
HSL	hsl(225, 61%, 35%)
HSV	hsv(225, 76%, 56%)
CMYK	cmyk(75.7%, 56.3%, 0%, 43.5%)
CIE-LAB	lab(29.22, 19.56, -47.88)
CIE-LCH	lch(29.22, 51.72, 292.22°)
OKLab	oklab(39.7% -0.01 -0.138)
OKLCH	oklch(39.7% 0.138 265.9)
XYZ	xyz(7.5029, 5.9251, 27.1284)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233F90 #907423

analogous

#237690 #233F90 #3D2390

triadic

#233F90 #90233F #3F9023

tetradic

#233F90 #902376 #907423 #23903D

square

#233F90 #902376 #907423 #23903D

split-complementary

#233F90 #903D23 #769023

monochromatic

#0B142E #17295F #233F90 #2F55C1 #5778D6

Accessibility & contrast

On white

9.61

#233F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#233F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F90

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233F90	#FFFFFF	#000000	##FFFFFF
##233F90	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A93

Deuteranopia (green-blind)

#00408E

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #233f90;
/* rgb */ color: rgb(35, 63, 144);
/* oklch */ color: oklch(39.7% 0.138 265.9);

Tailwind

colors: {
  custom: {
    50: '#6e73b1',
    500: '#233f90',
    950: '#000000',
  },
}

SCSS

$custom: #233f90;
$custom-light: #6e73b1;
$custom-dark: #000000;

JSON

{
  "hex": "#233f90",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 144
  },
  "hsl": {
    "h": 224.587,
    "s": 60.894,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39699,
    "c": 0.13834,
    "h": 265.9
  },
  "luminance": 0.05926
}

Semantic roles & 50–950 ramp

primary

#233F90

secondary

#BAA054

accent

#BB44E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #233F90

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

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