#233AA9#233AA9

#233AA9 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.0% C 0.179 H 268.0°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#233AA9
RGB	rgb(35, 58, 169)
HSL	hsl(230, 66%, 40%)
HSV	hsv(230, 79%, 66%)
CMYK	cmyk(79.3%, 65.7%, 0%, 33.7%)
CIE-LAB	lab(30.03, 32.55, -61.75)
CIE-LCH	lch(30.03, 69.80, 297.79°)
OKLab	oklab(40.96% -0.0064 -0.1787)
OKLCH	oklch(40.96% 0.179 268)
XYZ	xyz(9.3651, 6.2469, 38.2406)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233AA9 #A99223

analogous

#237DA9 #233AA9 #4F23A9

triadic

#233AA9 #A9233A #3AA923

tetradic

#233AA9 #A9237D #A99223 #23A94F

square

#233AA9 #A9237D #A99223 #23A94F

split-complementary

#233AA9 #A94F23 #7DA923

monochromatic

#0E1744 #192976 #233AA9 #3450D5 #677CDF

Accessibility & contrast

On white

9.33

#233AA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#233AA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233AA9

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233AA9	#FFFFFF	#000000	##FFFFFF
##233AA9	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAD

Deuteranopia (green-blind)

#0040A7

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #233aa9;
/* rgb */ color: rgb(35, 58, 169);
/* oklch */ color: oklch(41.0% 0.179 268.0);

Tailwind

colors: {
  custom: {
    50: '#7570c4',
    500: '#233aa9',
    950: '#000000',
  },
}

SCSS

$custom: #233aa9;
$custom-light: #7570c4;
$custom-dark: #000000;

JSON

{
  "hex": "#233aa9",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 169
  },
  "hsl": {
    "h": 229.701,
    "s": 65.686,
    "l": 40
  },
  "oklch": {
    "l": 0.40958,
    "c": 0.17884,
    "h": 268
  },
  "luminance": 0.06248
}

Semantic roles & 50–950 ramp

primary

#233AA9

secondary

#C5B463

accent

#CC3FE9

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #233AA9

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

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