#233AAB#233AAB

#233AAB is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.1% C 0.181 H 268.0°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#233AAB
RGB	rgb(35, 58, 171)
HSL	hsl(230, 66%, 40%)
HSV	hsv(230, 80%, 67%)
CMYK	cmyk(79.5%, 66.1%, 0%, 32.9%)
CIE-LAB	lab(30.21, 33.29, -62.65)
CIE-LCH	lch(30.21, 70.94, 297.99°)
OKLab	oklab(41.15% -0.0065 -0.1813)
OKLCH	oklch(41.15% 0.181 268)
XYZ	xyz(9.5543, 6.3226, 39.2370)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233AAB #AB9423

analogous

#237EAB #233AAB #5023AB

triadic

#233AAB #AB233A #3AAB23

tetradic

#233AAB #AB237E #AB9423 #23AB50

square

#233AAB #AB237E #AB9423 #23AB50

split-complementary

#233AAB #AB5023 #7EAB23

monochromatic

#0E1845 #192978 #233AAB #3551D6 #687DE0

Accessibility & contrast

On white

9.27

#233AAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#233AAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233AAB

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233AAB	#FFFFFF	#000000	##FFFFFF
##233AAB	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAF

Deuteranopia (green-blind)

#0041A9

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #233aab;
/* rgb */ color: rgb(35, 58, 171);
/* oklch */ color: oklch(41.1% 0.181 268.0);

Tailwind

colors: {
  custom: {
    50: '#7570c5',
    500: '#233aab',
    950: '#000000',
  },
}

SCSS

$custom: #233aab;
$custom-light: #7570c5;
$custom-dark: #000000;

JSON

{
  "hex": "#233aab",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 171
  },
  "hsl": {
    "h": 229.853,
    "s": 66.019,
    "l": 40.392
  },
  "oklch": {
    "l": 0.4115,
    "c": 0.18147,
    "h": 268
  },
  "luminance": 0.06324
}

Semantic roles & 50–950 ramp

primary

#233AAB

secondary

#C6B564

accent

#CC3FE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #233AAB

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

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