#233F98#233F98

#233F98 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.150 H 266.3°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#233F98
RGB	rgb(35, 63, 152)
HSL	hsl(226, 63%, 37%)
HSV	hsv(226, 77%, 60%)
CMYK	cmyk(77%, 58.6%, 0%, 40.4%)
CIE-LAB	lab(29.86, 22.69, -51.74)
CIE-LCH	lch(29.86, 56.50, 293.68°)
OKLab	oklab(40.38% -0.0095 -0.1493)
OKLCH	oklch(40.38% 0.15 266.3)
XYZ	xyz(8.1362, 6.1784, 30.4634)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233F98 #987C23

analogous

#237A98 #233F98 #422398

triadic

#233F98 #98233F #3F9823

tetradic

#233F98 #98237A #987C23 #239842

square

#233F98 #98237A #987C23 #239842

split-complementary

#233F98 #984223 #7A9823

monochromatic

#0C1635 #182A66 #233F98 #2E54CA #5C7AD9

Accessibility & contrast

On white

9.39

#233F98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#233F98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F98

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233F98	#FFFFFF	#000000	##FFFFFF
##233F98	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9B

Deuteranopia (green-blind)

#004196

Tritanopia (blue-blind)

#005565

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #233f98;
/* rgb */ color: rgb(35, 63, 152);
/* oklch */ color: oklch(40.4% 0.150 266.3);

Tailwind

colors: {
  custom: {
    50: '#7073b7',
    500: '#233f98',
    950: '#000000',
  },
}

SCSS

$custom: #233f98;
$custom-light: #7073b7;
$custom-dark: #000000;

JSON

{
  "hex": "#233f98",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 152
  },
  "hsl": {
    "h": 225.641,
    "s": 62.567,
    "l": 36.667
  },
  "oklch": {
    "l": 0.40377,
    "c": 0.14963,
    "h": 266.3
  },
  "luminance": 0.06179
}

Semantic roles & 50–950 ramp

primary

#233F98

secondary

#BEA659

accent

#BF42E6

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #233F98

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

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