#233B85#233B85

#233B85 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.9% C 0.128 H 266.7°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#233B85
RGB	rgb(35, 59, 133)
HSL	hsl(225, 58%, 33%)
HSV	hsv(225, 74%, 52%)
CMYK	cmyk(73.7%, 55.6%, 0%, 47.8%)
CIE-LAB	lab(27.24, 18.00, -44.30)
CIE-LCH	lch(27.24, 47.81, 292.11°)
OKLab	oklab(37.93% -0.0075 -0.1275)
OKLCH	oklch(37.93% 0.128 266.7)
XYZ	xyz(6.4893, 5.1780, 22.8432)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233B85 #856D23

analogous

#236C85 #233B85 #3C2385

triadic

#233B85 #85233B #3B8523

tetradic

#233B85 #85236C #856D23 #23853C

square

#233B85 #85236C #856D23 #23853C

split-complementary

#233B85 #853C23 #6C8523

monochromatic

#091024 #162655 #233B85 #3050B5 #5171D1

Accessibility & contrast

On white

10.32

#233B85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#233B85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233B85

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233B85	#FFFFFF	#000000	##FFFFFF
##233B85	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#024588

Deuteranopia (green-blind)

#003C84

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #233b85;
/* rgb */ color: rgb(35, 59, 133);
/* oklch */ color: oklch(37.9% 0.128 266.7);

Tailwind

colors: {
  custom: {
    50: '#6c70a9',
    500: '#233b85',
    950: '#000000',
  },
}

SCSS

$custom: #233b85;
$custom-light: #6c70a9;
$custom-dark: #000000;

JSON

{
  "hex": "#233b85",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 133
  },
  "hsl": {
    "h": 225.306,
    "s": 58.333,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37932,
    "c": 0.12772,
    "h": 266.7
  },
  "luminance": 0.05179
}

Semantic roles & 50–950 ramp

primary

#233B85

secondary

#B59C4F

accent

#BC46E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #233B85

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

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