#233C91#233C91

#233C91 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.2% C 0.144 H 267.0°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#233C91
RGB	rgb(35, 60, 145)
HSL	hsl(226, 61%, 35%)
HSV	hsv(226, 76%, 57%)
CMYK	cmyk(75.9%, 58.6%, 0%, 43.1%)
CIE-LAB	lab(28.47, 22.01, -49.72)
CIE-LCH	lch(28.47, 54.38, 293.88°)
OKLab	oklab(39.16% -0.0076 -0.1434)
OKLCH	oklch(39.16% 0.144 267)
XYZ	xyz(7.4180, 5.6326, 27.4788)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C91 #917823

analogous

#237391 #233C91 #412391

triadic

#233C91 #91233C #3C9123

tetradic

#233C91 #912373 #917823 #239141

square

#233C91 #912373 #917823 #239141

split-complementary

#233C91 #914123 #739123

monochromatic

#0B132E #172860 #233C91 #2F50C2 #5875D7

Accessibility & contrast

On white

9.87

#233C91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#233C91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C91

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C91	#FFFFFF	#000000	##FFFFFF
##233C91	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004894

Deuteranopia (green-blind)

#003E8F

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #233c91;
/* rgb */ color: rgb(35, 60, 145);
/* oklch */ color: oklch(39.2% 0.144 267.0);

Tailwind

colors: {
  custom: {
    50: '#6f71b2',
    500: '#233c91',
    950: '#000000',
  },
}

SCSS

$custom: #233c91;
$custom-light: #6f71b2;
$custom-dark: #000000;

JSON

{
  "hex": "#233c91",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 145
  },
  "hsl": {
    "h": 226.364,
    "s": 61.111,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39156,
    "c": 0.14365,
    "h": 267
  },
  "luminance": 0.05633
}

Semantic roles & 50–950 ramp

primary

#233C91

secondary

#BBA455

accent

#C044E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #233C91

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

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