#233EB2#233EB2

#233EB2 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.5% C 0.186 H 267.3°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#233EB2
RGB	rgb(35, 62, 178)
HSL	hsl(229, 67%, 42%)
HSV	hsv(229, 80%, 70%)
CMYK	cmyk(80.3%, 65.2%, 0%, 30.2%)
CIE-LAB	lab(31.84, 33.30, -64.15)
CIE-LCH	lch(31.84, 72.28, 297.44°)
OKLab	oklab(42.54% -0.0089 -0.1857)
OKLCH	oklch(42.54% 0.186 267.3)
XYZ	xyz(10.4488, 7.0157, 42.9143)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233EB2 #B29723

analogous

#2386B2 #233EB2 #4F23B2

triadic

#233EB2 #B2233E #3EB223

tetradic

#233EB2 #B22386 #B29723 #23B24F

square

#233EB2 #B22386 #B29723 #23B24F

split-complementary

#233EB2 #B24F23 #86B223

monochromatic

#0F1A4C #192C7F #233EB2 #3A58D8 #6D83E2

Accessibility & contrast

On white

8.74

#233EB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#233EB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233EB2

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233EB2	#FFFFFF	#000000	##FFFFFF
##233EB2	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B6

Deuteranopia (green-blind)

#0044B0

Tritanopia (blue-blind)

#005D72

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #233eb2;
/* rgb */ color: rgb(35, 62, 178);
/* oklch */ color: oklch(42.5% 0.186 267.3);

Tailwind

colors: {
  custom: {
    50: '#7773ca',
    500: '#233eb2',
    950: '#000000',
  },
}

SCSS

$custom: #233eb2;
$custom-light: #7773ca;
$custom-dark: #000000;

JSON

{
  "hex": "#233eb2",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 178
  },
  "hsl": {
    "h": 228.671,
    "s": 67.136,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42544,
    "c": 0.18593,
    "h": 267.3
  },
  "luminance": 0.07017
}

Semantic roles & 50–950 ramp

primary

#233EB2

secondary

#C9B668

accent

#CA3EEA

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #233EB2

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

Preview Lab → · Contrast checker → · Palette generator →