#233D85#233D85

#233D85 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.4% C 0.125 H 265.8°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#233D85
RGB	rgb(35, 61, 133)
HSL	hsl(224, 58%, 33%)
HSV	hsv(224, 74%, 52%)
CMYK	cmyk(73.7%, 54.1%, 0%, 47.8%)
CIE-LAB	lab(27.81, 16.61, -43.36)
CIE-LCH	lch(27.81, 46.43, 290.96°)
OKLab	oklab(38.37% -0.0092 -0.1247)
OKLCH	oklch(38.37% 0.125 265.8)
XYZ	xyz(6.5940, 5.3876, 22.8781)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D85 #856B23

analogous

#236E85 #233D85 #3A2385

triadic

#233D85 #85233D #3D8523

tetradic

#233D85 #85236E #856B23 #23853A

square

#233D85 #85236E #856B23 #23853A

split-complementary

#233D85 #853A23 #6E8523

monochromatic

#091124 #162755 #233D85 #3053B5 #5173D1

Accessibility & contrast

On white

10.11

#233D85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#233D85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D85

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D85	#FFFFFF	#000000	##FFFFFF
##233D85	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4688

Deuteranopia (green-blind)

#003D84

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #233d85;
/* rgb */ color: rgb(35, 61, 133);
/* oklch */ color: oklch(38.4% 0.125 265.8);

Tailwind

colors: {
  custom: {
    50: '#6c72a9',
    500: '#233d85',
    950: '#000000',
  },
}

SCSS

$custom: #233d85;
$custom-light: #6c72a9;
$custom-dark: #000000;

JSON

{
  "hex": "#233d85",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 133
  },
  "hsl": {
    "h": 224.082,
    "s": 58.333,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38367,
    "c": 0.12507,
    "h": 265.8
  },
  "luminance": 0.05388
}

Semantic roles & 50–950 ramp

primary

#233D85

secondary

#B59A4F

accent

#B846E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #233D85

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

Preview Lab → · Contrast checker → · Palette generator →