#233B84#233B84

#233B84 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.8% C 0.126 H 266.6°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#233B84
RGB	rgb(35, 59, 132)
HSL	hsl(225, 58%, 33%)
HSV	hsv(225, 73%, 52%)
CMYK	cmyk(73.5%, 55.3%, 0%, 48.2%)
CIE-LAB	lab(27.16, 17.60, -43.80)
CIE-LCH	lch(27.16, 47.20, 291.89°)
OKLab	oklab(37.85% -0.0075 -0.126)
OKLCH	oklch(37.85% 0.126 266.6)
XYZ	xyz(6.4205, 5.1505, 22.4811)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233B84 #846C23

analogous

#236B84 #233B84 #3C2384

triadic

#233B84 #84233B #3B8423

tetradic

#233B84 #84236B #846C23 #23843C

square

#233B84 #84236B #846C23 #23843C

split-complementary

#233B84 #843C23 #6B8423

monochromatic

#091023 #162554 #233B84 #3051B4 #5170D1

Accessibility & contrast

On white

10.34

#233B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#233B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233B84

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233B84	#FFFFFF	#000000	##FFFFFF
##233B84	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#044587

Deuteranopia (green-blind)

#003C83

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #233b84;
/* rgb */ color: rgb(35, 59, 132);
/* oklch */ color: oklch(37.8% 0.126 266.6);

Tailwind

colors: {
  custom: {
    50: '#6c70a8',
    500: '#233b84',
    950: '#000000',
  },
}

SCSS

$custom: #233b84;
$custom-light: #6c70a8;
$custom-dark: #000000;

JSON

{
  "hex": "#233b84",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 132
  },
  "hsl": {
    "h": 225.155,
    "s": 58.084,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37849,
    "c": 0.12626,
    "h": 266.6
  },
  "luminance": 0.05151
}

Semantic roles & 50–950 ramp

primary

#233B84

secondary

#B49B4E

accent

#BB46E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #233B84

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

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