#233587#233587

#233587 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.139 H 269.0°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#233587
RGB	rgb(35, 53, 135)
HSL	hsl(229, 59%, 33%)
HSV	hsv(229, 74%, 53%)
CMYK	cmyk(74.1%, 60.7%, 0%, 47.1%)
CIE-LAB	lab(25.72, 22.93, -48.01)
CIE-LCH	lch(25.72, 53.20, 295.53°)
OKLab	oklab(36.85% -0.0024 -0.1385)
OKLCH	oklch(36.85% 0.139 269)
XYZ	xyz(6.3379, 4.6521, 23.4809)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233587 #877523

analogous

#236787 #233587 #432387

triadic

#233587 #872335 #358723

tetradic

#233587 #872367 #877523 #238743

square

#233587 #872367 #877523 #238743

split-complementary

#233587 #874323 #678723

monochromatic

#0A0F26 #162256 #233587 #3048B8 #5269D2

Accessibility & contrast

On white

10.88

#233587 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#233587 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233587

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233587	#FFFFFF	#000000	##FFFFFF
##233587	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428A

Deuteranopia (green-blind)

#003885

Tritanopia (blue-blind)

#004A58

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #233587;
/* rgb */ color: rgb(35, 53, 135);
/* oklch */ color: oklch(36.8% 0.139 269.0);

Tailwind

colors: {
  custom: {
    50: '#6d6cab',
    500: '#233587',
    950: '#000000',
  },
}

SCSS

$custom: #233587;
$custom-light: #6d6cab;
$custom-dark: #000000;

JSON

{
  "hex": "#233587",
  "rgb": {
    "r": 35,
    "g": 53,
    "b": 135
  },
  "hsl": {
    "h": 229.2,
    "s": 58.824,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36845,
    "c": 0.13852,
    "h": 269
  },
  "luminance": 0.04653
}

Semantic roles & 50–950 ramp

primary

#233587

secondary

#B6A450

accent

#C646E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #233587

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

Preview Lab → · Contrast checker → · Palette generator →