#233E6B#233E6B

#233E6B is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.7% C 0.085 H 260.1°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#233E6B
RGB	rgb(35, 62, 107)
HSL	hsl(218, 51%, 28%)
HSV	hsv(218, 67%, 42%)
CMYK	cmyk(67.3%, 42.1%, 0%, 58%)
CIE-LAB	lab(26.34, 5.69, -29.31)
CIE-LCH	lch(26.34, 29.86, 280.99°)
OKLab	oklab(36.67% -0.0146 -0.0834)
OKLCH	oklch(36.67% 0.085 260.1)
XYZ	xyz(5.0687, 4.8636, 14.5787)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E6B #6B5023

analogous

#23626B #233E6B #2C236B

triadic

#233E6B #6B233E #3E6B23

tetradic

#233E6B #6B2362 #6B5023 #236B2C

square

#233E6B #6B2362 #6B5023 #236B2C

split-complementary

#233E6B #6B2C23 #626B23

monochromatic

#080D17 #14233D #233E6B #325999 #4675C2

Accessibility & contrast

On white

10.64

#233E6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#233E6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E6B

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E6B	#FFFFFF	#000000	##FFFFFF
##233E6B	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A426D

Deuteranopia (green-blind)

#203B6A

Tritanopia (blue-blind)

#00484F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #233e6b;
/* rgb */ color: rgb(35, 62, 107);
/* oklch */ color: oklch(36.7% 0.085 260.1);

Tailwind

colors: {
  custom: {
    50: '#667295',
    500: '#233e6b',
    950: '#000000',
  },
}

SCSS

$custom: #233e6b;
$custom-light: #667295;
$custom-dark: #000000;

JSON

{
  "hex": "#233e6b",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 107
  },
  "hsl": {
    "h": 217.5,
    "s": 50.704,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36672,
    "c": 0.08468,
    "h": 260.1
  },
  "luminance": 0.04864
}

Semantic roles & 50–950 ramp

primary

#233E6B

secondary

#9E7F4B

accent

#A54EDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #233E6B

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

Preview Lab → · Contrast checker → · Palette generator →