#233B65#233B65

#233B65 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.5% C 0.079 H 260.9°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#233B65
RGB	rgb(35, 59, 101)
HSL	hsl(218, 49%, 27%)
HSV	hsv(218, 65%, 40%)
CMYK	cmyk(65.3%, 41.6%, 0%, 60.4%)
CIE-LAB	lab(25.03, 5.44, -27.54)
CIE-LCH	lch(25.03, 28.08, 281.17°)
OKLab	oklab(35.53% -0.0126 -0.0783)
OKLCH	oklch(35.53% 0.079 260.9)
XYZ	xyz(4.6052, 4.4244, 12.9207)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233B65 #654D23

analogous

#235C65 #233B65 #2C2365

triadic

#233B65 #65233B #3B6523

tetradic

#233B65 #65235C #654D23 #23652C

square

#233B65 #65235C #654D23 #23652C

split-complementary

#233B65 #652C23 #5C6523

monochromatic

#080D17 #132038 #233B65 #335692 #4471BE

Accessibility & contrast

On white

11.14

#233B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#233B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233B65

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233B65	#FFFFFF	#000000	##FFFFFF
##233B65	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293F67

Deuteranopia (green-blind)

#203964

Tritanopia (blue-blind)

#00444B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #233b65;
/* rgb */ color: rgb(35, 59, 101);
/* oklch */ color: oklch(35.5% 0.079 260.9);

Tailwind

colors: {
  custom: {
    50: '#657091',
    500: '#233b65',
    950: '#000000',
  },
}

SCSS

$custom: #233b65;
$custom-light: #657091;
$custom-dark: #000000;

JSON

{
  "hex": "#233b65",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 101
  },
  "hsl": {
    "h": 218.182,
    "s": 48.529,
    "l": 26.667
  },
  "oklch": {
    "l": 0.35534,
    "c": 0.07928,
    "h": 260.9
  },
  "luminance": 0.04425
}

Semantic roles & 50–950 ramp

primary

#233B65

secondary

#997C4B

accent

#A650D8

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070D

muted

#7A7A7D

Preview Lab

Preview with #233B65

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

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