#233C98#233C98

#233C98 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.153 H 267.3°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#233C98
RGB	rgb(35, 60, 152)
HSL	hsl(227, 63%, 37%)
HSV	hsv(227, 77%, 60%)
CMYK	cmyk(77%, 60.5%, 0%, 40.4%)
CIE-LAB	lab(29.04, 24.73, -53.07)
CIE-LCH	lch(29.04, 58.55, 294.99°)
OKLab	oklab(39.77% -0.0074 -0.1533)
OKLCH	oklch(39.77% 0.153 267.3)
XYZ	xyz(7.9745, 5.8552, 30.4096)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C98 #987F23

analogous

#237798 #233C98 #442398

triadic

#233C98 #98233C #3C9823

tetradic

#233C98 #982377 #987F23 #239844

square

#233C98 #982377 #987F23 #239844

split-complementary

#233C98 #984423 #779823

monochromatic

#0C1535 #182866 #233C98 #2E50CA #5C77D9

Accessibility & contrast

On white

9.67

#233C98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#233C98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C98

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C98	#FFFFFF	#000000	##FFFFFF
##233C98	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9B

Deuteranopia (green-blind)

#003F96

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #233c98;
/* rgb */ color: rgb(35, 60, 152);
/* oklch */ color: oklch(39.8% 0.153 267.3);

Tailwind

colors: {
  custom: {
    50: '#7071b7',
    500: '#233c98',
    950: '#000000',
  },
}

SCSS

$custom: #233c98;
$custom-light: #7071b7;
$custom-dark: #000000;

JSON

{
  "hex": "#233c98",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 152
  },
  "hsl": {
    "h": 227.179,
    "s": 62.567,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39768,
    "c": 0.15345,
    "h": 267.3
  },
  "luminance": 0.05856
}

Semantic roles & 50–950 ramp

primary

#233C98

secondary

#BEA859

accent

#C342E6

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #233C98

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

Preview Lab → · Contrast checker → · Palette generator →