#233C65#233C65

#233C65 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.8% C 0.078 H 259.8°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#233C65
RGB	rgb(35, 60, 101)
HSL	hsl(217, 49%, 27%)
HSV	hsv(217, 65%, 40%)
CMYK	cmyk(65.3%, 40.6%, 0%, 60.4%)
CIE-LAB	lab(25.35, 4.75, -27.04)
CIE-LCH	lch(25.35, 27.45, 279.96°)
OKLab	oklab(35.78% -0.0138 -0.0768)
OKLCH	oklch(35.78% 0.078 259.8)
XYZ	xyz(4.6571, 4.5282, 12.9380)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C65 #654C23

analogous

#235D65 #233C65 #2B2365

triadic

#233C65 #65233C #3C6523

tetradic

#233C65 #65235D #654C23 #23652B

square

#233C65 #65235D #654C23 #23652B

split-complementary

#233C65 #652B23 #5D6523

monochromatic

#080D17 #132138 #233C65 #335792 #4472BE

Accessibility & contrast

On white

11.02

#233C65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#233C65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C65

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C65	#FFFFFF	#000000	##FFFFFF
##233C65	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3F67

Deuteranopia (green-blind)

#213964

Tritanopia (blue-blind)

#00454B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233c65;
/* rgb */ color: rgb(35, 60, 101);
/* oklch */ color: oklch(35.8% 0.078 259.8);

Tailwind

colors: {
  custom: {
    50: '#657191',
    500: '#233c65',
    950: '#000000',
  },
}

SCSS

$custom: #233c65;
$custom-light: #657191;
$custom-dark: #000000;

JSON

{
  "hex": "#233c65",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 101
  },
  "hsl": {
    "h": 217.273,
    "s": 48.529,
    "l": 26.667
  },
  "oklch": {
    "l": 0.35781,
    "c": 0.078,
    "h": 259.8
  },
  "luminance": 0.04529
}

Semantic roles & 50–950 ramp

primary

#233C65

secondary

#997B4B

accent

#A450D8

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #233C65

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

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