#233FAE#233FAE

#233FAE is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.4% C 0.180 H 267.0°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#233FAE
RGB	rgb(35, 63, 174)
HSL	hsl(228, 67%, 41%)
HSV	hsv(228, 80%, 68%)
CMYK	cmyk(79.9%, 63.8%, 0%, 31.8%)
CIE-LAB	lab(31.73, 31.15, -61.95)
CIE-LCH	lch(31.73, 69.34, 296.69°)
OKLab	oklab(42.35% -0.0093 -0.1793)
OKLCH	oklch(42.35% 0.18 267)
XYZ	xyz(10.1080, 6.9672, 40.8483)
Luminance	0.0697 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233FAE #AE9223

analogous

#2384AE #233FAE #4D23AE

triadic

#233FAE #AE233F #3FAE23

tetradic

#233FAE #AE2384 #AE9223 #23AE4D

square

#233FAE #AE2384 #AE9223 #23AE4D

split-complementary

#233FAE #AE4D23 #84AE23

monochromatic

#0F1A48 #192D7B #233FAE #3757D7 #6A82E1

Accessibility & contrast

On white

8.77

#233FAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#233FAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233FAE

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233FAE	#FFFFFF	#000000	##FFFFFF
##233FAE	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B2

Deuteranopia (green-blind)

#0044AC

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #233fae;
/* rgb */ color: rgb(35, 63, 174);
/* oklch */ color: oklch(42.4% 0.180 267.0);

Tailwind

colors: {
  custom: {
    50: '#7673c7',
    500: '#233fae',
    950: '#000000',
  },
}

SCSS

$custom: #233fae;
$custom-light: #7673c7;
$custom-dark: #000000;

JSON

{
  "hex": "#233fae",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 174
  },
  "hsl": {
    "h": 227.914,
    "s": 66.507,
    "l": 40.98
  },
  "oklch": {
    "l": 0.42352,
    "c": 0.17951,
    "h": 267
  },
  "luminance": 0.06968
}

Semantic roles & 50–950 ramp

primary

#233FAE

secondary

#C7B366

accent

#C73EE9

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #233FAE

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

Preview Lab → · Contrast checker → · Palette generator →