#233AA7#233AA7

#233AA7 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.8% C 0.176 H 268.0°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#233AA7
RGB	rgb(35, 58, 167)
HSL	hsl(230, 65%, 40%)
HSV	hsv(230, 79%, 65%)
CMYK	cmyk(79%, 65.3%, 0%, 34.5%)
CIE-LAB	lab(29.84, 31.80, -60.85)
CIE-LCH	lch(29.84, 68.66, 297.59°)
OKLab	oklab(40.77% -0.0063 -0.1761)
OKLCH	oklch(40.77% 0.176 268)
XYZ	xyz(9.1788, 6.1724, 37.2594)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233AA7 #A79023

analogous

#237CA7 #233AA7 #4E23A7

triadic

#233AA7 #A7233A #3AA723

tetradic

#233AA7 #A7237C #A79023 #23A74E

square

#233AA7 #A7237C #A79023 #23A74E

split-complementary

#233AA7 #A74E23 #7CA723

monochromatic

#0E1742 #182874 #233AA7 #334FD4 #667BDF

Accessibility & contrast

On white

9.40

#233AA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#233AA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233AA7

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233AA7	#FFFFFF	#000000	##FFFFFF
##233AA7	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAA

Deuteranopia (green-blind)

#0040A5

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #233aa7;
/* rgb */ color: rgb(35, 58, 167);
/* oklch */ color: oklch(40.8% 0.176 268.0);

Tailwind

colors: {
  custom: {
    50: '#7470c2',
    500: '#233aa7',
    950: '#000000',
  },
}

SCSS

$custom: #233aa7;
$custom-light: #7470c2;
$custom-dark: #000000;

JSON

{
  "hex": "#233aa7",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 167
  },
  "hsl": {
    "h": 229.545,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.40767,
    "c": 0.17621,
    "h": 268
  },
  "luminance": 0.06173
}

Semantic roles & 50–950 ramp

primary

#233AA7

secondary

#C4B361

accent

#CB3FE8

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #233AA7

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

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