#233B97#233B97

#233B97 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.5% C 0.153 H 267.5°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#233B97
RGB	rgb(35, 59, 151)
HSL	hsl(228, 62%, 36%)
HSV	hsv(228, 77%, 59%)
CMYK	cmyk(76.8%, 60.9%, 0%, 40.8%)
CIE-LAB	lab(28.69, 25.03, -53.03)
CIE-LCH	lch(28.69, 58.64, 295.26°)
OKLab	oklab(39.48% -0.0067 -0.1532)
OKLCH	oklch(39.48% 0.153 267.5)
XYZ	xyz(7.8411, 5.7188, 29.9627)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233B97 #977F23

analogous

#237597 #233B97 #452397

triadic

#233B97 #97233B #3B9723

tetradic

#233B97 #972375 #977F23 #239745

square

#233B97 #972375 #977F23 #239745

split-complementary

#233B97 #974523 #759723

monochromatic

#0C1434 #172865 #233B97 #2F4EC9 #5B75D9

Accessibility & contrast

On white

9.79

#233B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#233B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233B97

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233B97	#FFFFFF	#000000	##FFFFFF
##233B97	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499A

Deuteranopia (green-blind)

#003E95

Tritanopia (blue-blind)

#005263

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #233b97;
/* rgb */ color: rgb(35, 59, 151);
/* oklch */ color: oklch(39.5% 0.153 267.5);

Tailwind

colors: {
  custom: {
    50: '#7070b6',
    500: '#233b97',
    950: '#000000',
  },
}

SCSS

$custom: #233b97;
$custom-light: #7070b6;
$custom-dark: #000000;

JSON

{
  "hex": "#233b97",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 151
  },
  "hsl": {
    "h": 227.586,
    "s": 62.366,
    "l": 36.471
  },
  "oklch": {
    "l": 0.3948,
    "c": 0.15332,
    "h": 267.5
  },
  "luminance": 0.0572
}

Semantic roles & 50–950 ramp

primary

#233B97

secondary

#BEA958

accent

#C442E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #233B97

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

Preview Lab → · Contrast checker → · Palette generator →