#233D98#233D98

#233D98 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.0% C 0.152 H 267.0°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#233D98
RGB	rgb(35, 61, 152)
HSL	hsl(227, 63%, 37%)
HSV	hsv(227, 77%, 60%)
CMYK	cmyk(77%, 59.9%, 0%, 40.4%)
CIE-LAB	lab(29.31, 24.06, -52.63)
CIE-LCH	lch(29.31, 57.87, 294.56°)
OKLab	oklab(39.97% -0.0081 -0.152)
OKLCH	oklch(39.97% 0.152 267)
XYZ	xyz(8.0274, 5.9609, 30.4272)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D98 #987E23

analogous

#237898 #233D98 #442398

triadic

#233D98 #98233D #3D9823

tetradic

#233D98 #982378 #987E23 #239844

square

#233D98 #982378 #987E23 #239844

split-complementary

#233D98 #984423 #789823

monochromatic

#0C1535 #182966 #233D98 #2E51CA #5C78D9

Accessibility & contrast

On white

9.58

#233D98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#233D98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D98

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D98	#FFFFFF	#000000	##FFFFFF
##233D98	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9B

Deuteranopia (green-blind)

#004096

Tritanopia (blue-blind)

#005464

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #233d98;
/* rgb */ color: rgb(35, 61, 152);
/* oklch */ color: oklch(40.0% 0.152 267.0);

Tailwind

colors: {
  custom: {
    50: '#7072b7',
    500: '#233d98',
    950: '#000000',
  },
}

SCSS

$custom: #233d98;
$custom-light: #7072b7;
$custom-dark: #000000;

JSON

{
  "hex": "#233d98",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 152
  },
  "hsl": {
    "h": 226.667,
    "s": 62.567,
    "l": 36.667
  },
  "oklch": {
    "l": 0.3997,
    "c": 0.15218,
    "h": 267
  },
  "luminance": 0.05962
}

Semantic roles & 50–950 ramp

primary

#233D98

secondary

#BEA859

accent

#C142E6

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #233D98

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

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