#233A76#233A76

#233A76 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.5% C 0.107 H 265.6°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#233A76
RGB	rgb(35, 58, 118)
HSL	hsl(223, 54%, 30%)
HSV	hsv(223, 70%, 46%)
CMYK	cmyk(70.3%, 50.8%, 0%, 53.7%)
CIE-LAB	lab(25.84, 12.78, -37.13)
CIE-LCH	lch(25.84, 39.27, 288.99°)
OKLab	oklab(36.52% -0.0082 -0.1064)
OKLCH	oklch(36.52% 0.107 265.6)
XYZ	xyz(5.4751, 4.6909, 17.7529)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A76 #765F23

analogous

#236476 #233A76 #352376

triadic

#233A76 #76233A #3A7623

tetradic

#233A76 #762364 #765F23 #237635

square

#233A76 #762364 #765F23 #237635

split-complementary

#233A76 #763523 #647623

monochromatic

#070C18 #152347 #233A76 #3151A5 #4A6DC9

Accessibility & contrast

On white

10.83

#233A76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#233A76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A76

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A76	#FFFFFF	#000000	##FFFFFF
##233A76	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194178

Deuteranopia (green-blind)

#043A75

Tritanopia (blue-blind)

#004852

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #233a76;
/* rgb */ color: rgb(35, 58, 118);
/* oklch */ color: oklch(36.5% 0.107 265.6);

Tailwind

colors: {
  custom: {
    50: '#686f9e',
    500: '#233a76',
    950: '#000000',
  },
}

SCSS

$custom: #233a76;
$custom-light: #686f9e;
$custom-dark: #000000;

JSON

{
  "hex": "#233a76",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 118
  },
  "hsl": {
    "h": 223.373,
    "s": 54.248,
    "l": 30
  },
  "oklch": {
    "l": 0.36516,
    "c": 0.10675,
    "h": 265.6
  },
  "luminance": 0.04691
}

Semantic roles & 50–950 ramp

primary

#233A76

secondary

#A98F4C

accent

#B54ADE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #233A76

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

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