#233C85#233C85

#233C85 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.1% C 0.126 H 266.2°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#233C85
RGB	rgb(35, 60, 133)
HSL	hsl(225, 58%, 33%)
HSV	hsv(225, 74%, 52%)
CMYK	cmyk(73.7%, 54.9%, 0%, 47.8%)
CIE-LAB	lab(27.52, 17.30, -43.83)
CIE-LCH	lch(27.52, 47.12, 291.54°)
OKLab	oklab(38.15% -0.0083 -0.1261)
OKLCH	oklch(38.15% 0.126 266.2)
XYZ	xyz(6.5412, 5.2818, 22.8605)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C85 #856C23

analogous

#236D85 #233C85 #3B2385

triadic

#233C85 #85233C #3C8523

tetradic

#233C85 #85236D #856C23 #23853B

square

#233C85 #85236D #856C23 #23853B

split-complementary

#233C85 #853B23 #6D8523

monochromatic

#091024 #162655 #233C85 #3052B5 #5172D1

Accessibility & contrast

On white

10.21

#233C85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#233C85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C85

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C85	#FFFFFF	#000000	##FFFFFF
##233C85	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074688

Deuteranopia (green-blind)

#003D84

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #233c85;
/* rgb */ color: rgb(35, 60, 133);
/* oklch */ color: oklch(38.1% 0.126 266.2);

Tailwind

colors: {
  custom: {
    50: '#6c71a9',
    500: '#233c85',
    950: '#000000',
  },
}

SCSS

$custom: #233c85;
$custom-light: #6c71a9;
$custom-dark: #000000;

JSON

{
  "hex": "#233c85",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 133
  },
  "hsl": {
    "h": 224.694,
    "s": 58.333,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38148,
    "c": 0.1264,
    "h": 266.2
  },
  "luminance": 0.05282
}

Semantic roles & 50–950 ramp

primary

#233C85

secondary

#B59B4F

accent

#BA46E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #233C85

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

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