#233787#233787

#233787 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.3% C 0.136 H 268.3°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#233787
RGB	rgb(35, 55, 135)
HSL	hsl(228, 59%, 33%)
HSV	hsv(228, 74%, 53%)
CMYK	cmyk(74.1%, 59.3%, 0%, 47.1%)
CIE-LAB	lab(26.27, 21.55, -47.11)
CIE-LCH	lch(26.27, 51.81, 294.58°)
OKLab	oklab(37.26% -0.004 -0.1358)
OKLCH	oklch(37.26% 0.136 268.3)
XYZ	xyz(6.4310, 4.8383, 23.5119)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233787 #877323

analogous

#236987 #233787 #412387

triadic

#233787 #872337 #378723

tetradic

#233787 #872369 #877323 #238741

square

#233787 #872369 #877323 #238741

split-complementary

#233787 #874123 #698723

monochromatic

#0A0F26 #162356 #233787 #304BB8 #526CD2

Accessibility & contrast

On white

10.67

#233787 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#233787 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233787

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233787	#FFFFFF	#000000	##FFFFFF
##233787	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438A

Deuteranopia (green-blind)

#003A85

Tritanopia (blue-blind)

#004B59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #233787;
/* rgb */ color: rgb(35, 55, 135);
/* oklch */ color: oklch(37.3% 0.136 268.3);

Tailwind

colors: {
  custom: {
    50: '#6d6dab',
    500: '#233787',
    950: '#000000',
  },
}

SCSS

$custom: #233787;
$custom-light: #6d6dab;
$custom-dark: #000000;

JSON

{
  "hex": "#233787",
  "rgb": {
    "r": 35,
    "g": 55,
    "b": 135
  },
  "hsl": {
    "h": 228,
    "s": 58.824,
    "l": 33.333
  },
  "oklch": {
    "l": 0.37255,
    "c": 0.1359,
    "h": 268.3
  },
  "luminance": 0.04839
}

Semantic roles & 50–950 ramp

primary

#233787

secondary

#B6A250

accent

#C346E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #233787

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

Preview Lab → · Contrast checker → · Palette generator →