#233687#233687

#233687 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.137 H 268.7°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#233687
RGB	rgb(35, 54, 135)
HSL	hsl(229, 59%, 33%)
HSV	hsv(229, 74%, 53%)
CMYK	cmyk(74.1%, 60%, 0%, 47.1%)
CIE-LAB	lab(25.99, 22.24, -47.56)
CIE-LCH	lch(25.99, 52.50, 295.06°)
OKLab	oklab(37.05% -0.0032 -0.1372)
OKLCH	oklch(37.05% 0.137 268.7)
XYZ	xyz(6.3840, 4.7443, 23.4963)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233687 #877423

analogous

#236887 #233687 #422387

triadic

#233687 #872336 #368723

tetradic

#233687 #872368 #877423 #238742

square

#233687 #872368 #877423 #238742

split-complementary

#233687 #874223 #688723

monochromatic

#0A0F26 #162356 #233687 #3049B8 #526BD2

Accessibility & contrast

On white

10.77

#233687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#233687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233687

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233687	#FFFFFF	#000000	##FFFFFF
##233687	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428A

Deuteranopia (green-blind)

#003985

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #233687;
/* rgb */ color: rgb(35, 54, 135);
/* oklch */ color: oklch(37.0% 0.137 268.7);

Tailwind

colors: {
  custom: {
    50: '#6d6cab',
    500: '#233687',
    950: '#000000',
  },
}

SCSS

$custom: #233687;
$custom-light: #6d6cab;
$custom-dark: #000000;

JSON

{
  "hex": "#233687",
  "rgb": {
    "r": 35,
    "g": 54,
    "b": 135
  },
  "hsl": {
    "h": 228.6,
    "s": 58.824,
    "l": 33.333
  },
  "oklch": {
    "l": 0.37049,
    "c": 0.13722,
    "h": 268.7
  },
  "luminance": 0.04745
}

Semantic roles & 50–950 ramp

primary

#233687

secondary

#B6A350

accent

#C446E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #233687

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

Preview Lab → · Contrast checker → · Palette generator →