#233A6E#233A6E

#233A6E is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.9% C 0.095 H 264.2°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#233A6E
RGB	rgb(35, 58, 110)
HSL	hsl(222, 52%, 28%)
HSV	hsv(222, 68%, 43%)
CMYK	cmyk(68.2%, 47.3%, 0%, 56.9%)
CIE-LAB	lab(25.29, 9.63, -32.92)
CIE-LCH	lch(25.29, 34.30, 286.31°)
OKLab	oklab(35.92% -0.0095 -0.094)
OKLCH	oklch(35.92% 0.095 264.2)
XYZ	xyz(5.0197, 4.5088, 15.3546)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A6E #6E5723

analogous

#235F6E #233A6E #31236E

triadic

#233A6E #6E233A #3A6E23

tetradic

#233A6E #6E235F #6E5723 #236E31

square

#233A6E #6E235F #6E5723 #236E31

split-complementary

#233A6E #6E3123 #5F6E23

monochromatic

#070C17 #142240 #233A6E #32529C #476DC4

Accessibility & contrast

On white

11.04

#233A6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#233A6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A6E

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A6E	#FFFFFF	#000000	##FFFFFF
##233A6E	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214070

Deuteranopia (green-blind)

#14396D

Tritanopia (blue-blind)

#00464E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233a6e;
/* rgb */ color: rgb(35, 58, 110);
/* oklch */ color: oklch(35.9% 0.095 264.2);

Tailwind

colors: {
  custom: {
    50: '#676f98',
    500: '#233a6e',
    950: '#000000',
  },
}

SCSS

$custom: #233a6e;
$custom-light: #676f98;
$custom-dark: #000000;

JSON

{
  "hex": "#233a6e",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 110
  },
  "hsl": {
    "h": 221.6,
    "s": 51.724,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3592,
    "c": 0.09453,
    "h": 264.2
  },
  "luminance": 0.04509
}

Semantic roles & 50–950 ramp

primary

#233A6E

secondary

#A1874C

accent

#AF4DDB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #233A6E

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

Preview Lab → · Contrast checker → · Palette generator →