#233A98#233A98

#233A98 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.4% C 0.156 H 267.8°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#233A98
RGB	rgb(35, 58, 152)
HSL	hsl(228, 63%, 37%)
HSV	hsv(228, 77%, 60%)
CMYK	cmyk(77%, 61.8%, 0%, 40.4%)
CIE-LAB	lab(28.51, 26.09, -53.94)
CIE-LCH	lch(28.51, 59.92, 295.81°)
OKLab	oklab(39.37% -0.006 -0.1558)
OKLCH	oklch(39.37% 0.156 267.8)
XYZ	xyz(7.8717, 5.6496, 30.3753)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A98 #988123

analogous

#237598 #233A98 #472398

triadic

#233A98 #98233A #3A9823

tetradic

#233A98 #982375 #988123 #239847

square

#233A98 #982375 #988123 #239847

split-complementary

#233A98 #984723 #759823

monochromatic

#0C1435 #182766 #233A98 #2E4DCA #5C75D9

Accessibility & contrast

On white

9.86

#233A98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#233A98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A98

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A98	#FFFFFF	#000000	##FFFFFF
##233A98	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499B

Deuteranopia (green-blind)

#003E96

Tritanopia (blue-blind)

#005263

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #233a98;
/* rgb */ color: rgb(35, 58, 152);
/* oklch */ color: oklch(39.4% 0.156 267.8);

Tailwind

colors: {
  custom: {
    50: '#716fb7',
    500: '#233a98',
    950: '#000000',
  },
}

SCSS

$custom: #233a98;
$custom-light: #716fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#233a98",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 152
  },
  "hsl": {
    "h": 228.205,
    "s": 62.567,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39372,
    "c": 0.15596,
    "h": 267.8
  },
  "luminance": 0.0565
}

Semantic roles & 50–950 ramp

primary

#233A98

secondary

#BEAA59

accent

#C542E6

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #233A98

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

Preview Lab → · Contrast checker → · Palette generator →