#233F76#233F76

#233F76 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.7% C 0.100 H 262.3°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#233F76
RGB	rgb(35, 63, 118)
HSL	hsl(220, 54%, 30%)
HSV	hsv(220, 70%, 46%)
CMYK	cmyk(70.3%, 46.6%, 0%, 53.7%)
CIE-LAB	lab(27.35, 9.30, -34.70)
CIE-LCH	lch(27.35, 35.92, 285.00°)
OKLab	oklab(37.68% -0.0133 -0.0992)
OKLCH	oklch(37.68% 0.1 262.3)
XYZ	xyz(5.7395, 5.2198, 17.8411)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233F76 #765A23

analogous

#236876 #233F76 #312376

triadic

#233F76 #76233F #3F7623

tetradic

#233F76 #762368 #765A23 #237631

square

#233F76 #762368 #765A23 #237631

split-complementary

#233F76 #763123 #687623

monochromatic

#070D18 #152647 #233F76 #3158A5 #4A75C9

Accessibility & contrast

On white

10.27

#233F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#233F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F76

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233F76	#FFFFFF	#000000	##FFFFFF
##233F76	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244578

Deuteranopia (green-blind)

#153D75

Tritanopia (blue-blind)

#004C54

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #233f76;
/* rgb */ color: rgb(35, 63, 118);
/* oklch */ color: oklch(37.7% 0.100 262.3);

Tailwind

colors: {
  custom: {
    50: '#68739e',
    500: '#233f76',
    950: '#000000',
  },
}

SCSS

$custom: #233f76;
$custom-light: #68739e;
$custom-dark: #000000;

JSON

{
  "hex": "#233f76",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 118
  },
  "hsl": {
    "h": 219.759,
    "s": 54.248,
    "l": 30
  },
  "oklch": {
    "l": 0.37678,
    "c": 0.10009,
    "h": 262.3
  },
  "luminance": 0.0522
}

Semantic roles & 50–950 ramp

primary

#233F76

secondary

#A98A4C

accent

#AC4ADE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #233F76

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

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