#233B86#233B86

#233B86 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.129 H 266.7°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#233B86
RGB	rgb(35, 59, 134)
HSL	hsl(225, 59%, 33%)
HSV	hsv(225, 74%, 53%)
CMYK	cmyk(73.9%, 56%, 0%, 47.5%)
CIE-LAB	lab(27.31, 18.39, -44.79)
CIE-LCH	lch(27.31, 48.42, 292.32°)
OKLab	oklab(38.01% -0.0074 -0.129)
OKLCH	oklch(38.01% 0.129 266.7)
XYZ	xyz(6.5587, 5.2058, 23.2088)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233B86 #866E23

analogous

#236C86 #233B86 #3D2386

triadic

#233B86 #86233B #3B8623

tetradic

#233B86 #86236C #866E23 #23863D

square

#233B86 #86236C #866E23 #23863D

split-complementary

#233B86 #863D23 #6C8623

monochromatic

#0A1025 #162655 #233B86 #3050B7 #5271D2

Accessibility & contrast

On white

10.29

#233B86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#233B86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233B86

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233B86	#FFFFFF	#000000	##FFFFFF
##233B86	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004589

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #233b86;
/* rgb */ color: rgb(35, 59, 134);
/* oklch */ color: oklch(38.0% 0.129 266.7);

Tailwind

colors: {
  custom: {
    50: '#6c70aa',
    500: '#233b86',
    950: '#000000',
  },
}

SCSS

$custom: #233b86;
$custom-light: #6c70aa;
$custom-dark: #000000;

JSON

{
  "hex": "#233b86",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 134
  },
  "hsl": {
    "h": 225.455,
    "s": 58.58,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38014,
    "c": 0.12918,
    "h": 266.7
  },
  "luminance": 0.05206
}

Semantic roles & 50–950 ramp

primary

#233B86

secondary

#B59D4F

accent

#BC46E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #233B86

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

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