#233AAF#233AAF

#233AAF is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.187 H 267.9°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#233AAF
RGB	rgb(35, 58, 175)
HSL	hsl(230, 67%, 41%)
HSV	hsv(230, 80%, 69%)
CMYK	cmyk(80%, 66.9%, 0%, 31.4%)
CIE-LAB	lab(30.59, 34.78, -64.42)
CIE-LCH	lch(30.59, 73.21, 298.36°)
OKLab	oklab(41.54% -0.0067 -0.1865)
OKLCH	oklch(41.54% 0.187 267.9)
XYZ	xyz(9.9414, 6.4774, 41.2754)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233AAF #AF9823

analogous

#2380AF #233AAF #5223AF

triadic

#233AAF #AF233A #3AAF23

tetradic

#233AAF #AF2380 #AF9823 #23AF52

square

#233AAF #AF2380 #AF9823 #23AF52

split-complementary

#233AAF #AF5223 #80AF23

monochromatic

#0F1849 #19297C #233AAF #3852D7 #6B7EE1

Accessibility & contrast

On white

9.15

#233AAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#233AAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233AAF

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233AAF	#FFFFFF	#000000	##FFFFFF
##233AAF	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB3

Deuteranopia (green-blind)

#0041AD

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #233aaf;
/* rgb */ color: rgb(35, 58, 175);
/* oklch */ color: oklch(41.5% 0.187 267.9);

Tailwind

colors: {
  custom: {
    50: '#7770c8',
    500: '#233aaf',
    950: '#000000',
  },
}

SCSS

$custom: #233aaf;
$custom-light: #7770c8;
$custom-dark: #000000;

JSON

{
  "hex": "#233aaf",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 175
  },
  "hsl": {
    "h": 230.143,
    "s": 66.667,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41538,
    "c": 0.18667,
    "h": 267.9
  },
  "luminance": 0.06479
}

Semantic roles & 50–950 ramp

primary

#233AAF

secondary

#C7B866

accent

#CD3EEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #233AAF

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

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