#233D65#233D65

#233D65 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.0% C 0.077 H 258.7°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#233D65
RGB	rgb(35, 61, 101)
HSL	hsl(216, 49%, 27%)
HSV	hsv(216, 65%, 40%)
CMYK	cmyk(65.3%, 39.6%, 0%, 60.4%)
CIE-LAB	lab(25.67, 4.06, -26.53)
CIE-LCH	lch(25.67, 26.84, 278.70°)
OKLab	oklab(36.03% -0.015 -0.0753)
OKLCH	oklch(36.03% 0.077 258.7)
XYZ	xyz(4.7100, 4.6340, 12.9556)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D65 #654B23

analogous

#235E65 #233D65 #2A2365

triadic

#233D65 #65233D #3D6523

tetradic

#233D65 #65235E #654B23 #23652A

square

#233D65 #65235E #654B23 #23652A

split-complementary

#233D65 #652A23 #5E6523

monochromatic

#080E17 #132238 #233D65 #335892 #4474BE

Accessibility & contrast

On white

10.90

#233D65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#233D65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D65

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D65	#FFFFFF	#000000	##FFFFFF
##233D65	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4067

Deuteranopia (green-blind)

#233A64

Tritanopia (blue-blind)

#00464C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #233d65;
/* rgb */ color: rgb(35, 61, 101);
/* oklch */ color: oklch(36.0% 0.077 258.7);

Tailwind

colors: {
  custom: {
    50: '#657291',
    500: '#233d65',
    950: '#000000',
  },
}

SCSS

$custom: #233d65;
$custom-light: #657291;
$custom-dark: #000000;

JSON

{
  "hex": "#233d65",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 101
  },
  "hsl": {
    "h": 216.364,
    "s": 48.529,
    "l": 26.667
  },
  "oklch": {
    "l": 0.36029,
    "c": 0.07676,
    "h": 258.7
  },
  "luminance": 0.04634
}

Semantic roles & 50–950 ramp

primary

#233D65

secondary

#997A4B

accent

#A250D8

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #233D65

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

Preview Lab → · Contrast checker → · Palette generator →