#233C86#233C86

#233C86 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.2% C 0.128 H 266.3°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#233C86
RGB	rgb(35, 60, 134)
HSL	hsl(225, 59%, 33%)
HSV	hsv(225, 74%, 53%)
CMYK	cmyk(73.9%, 55.2%, 0%, 47.5%)
CIE-LAB	lab(27.60, 17.70, -44.33)
CIE-LCH	lch(27.60, 47.73, 291.76°)
OKLab	oklab(38.23% -0.0082 -0.1276)
OKLCH	oklch(38.23% 0.128 266.3)
XYZ	xyz(6.6106, 5.3096, 23.2261)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C86 #866D23

analogous

#236E86 #233C86 #3B2386

triadic

#233C86 #86233C #3C8623

tetradic

#233C86 #86236E #866D23 #23863B

square

#233C86 #86236E #866D23 #23863B

split-complementary

#233C86 #863B23 #6E8623

monochromatic

#0A1125 #162655 #233C86 #3052B7 #5272D2

Accessibility & contrast

On white

10.18

#233C86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#233C86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C86

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C86	#FFFFFF	#000000	##FFFFFF
##233C86	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#044689

Deuteranopia (green-blind)

#003D85

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #233c86;
/* rgb */ color: rgb(35, 60, 134);
/* oklch */ color: oklch(38.2% 0.128 266.3);

Tailwind

colors: {
  custom: {
    50: '#6c71aa',
    500: '#233c86',
    950: '#000000',
  },
}

SCSS

$custom: #233c86;
$custom-light: #6c71aa;
$custom-dark: #000000;

JSON

{
  "hex": "#233c86",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 134
  },
  "hsl": {
    "h": 224.848,
    "s": 58.58,
    "l": 33.137
  },
  "oklch": {
    "l": 0.3823,
    "c": 0.12786,
    "h": 266.3
  },
  "luminance": 0.0531
}

Semantic roles & 50–950 ramp

primary

#233C86

secondary

#B59C4F

accent

#BA46E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #233C86

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

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