#233D76#233D76

#233D76 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.103 H 263.7°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#233D76
RGB	rgb(35, 61, 118)
HSL	hsl(221, 54%, 30%)
HSV	hsv(221, 70%, 46%)
CMYK	cmyk(70.3%, 48.3%, 0%, 53.7%)
CIE-LAB	lab(26.74, 10.68, -35.68)
CIE-LCH	lch(26.74, 37.24, 286.67°)
OKLab	oklab(37.21% -0.0112 -0.1021)
OKLCH	oklch(37.21% 0.103 263.7)
XYZ	xyz(5.6307, 5.0023, 17.8048)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D76 #765C23

analogous

#236676 #233D76 #332376

triadic

#233D76 #76233D #3D7623

tetradic

#233D76 #762366 #765C23 #237633

square

#233D76 #762366 #765C23 #237633

split-complementary

#233D76 #763323 #667623

monochromatic

#070C18 #152547 #233D76 #3155A5 #4A72C9

Accessibility & contrast

On white

10.50

#233D76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#233D76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D76

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D76	#FFFFFF	#000000	##FFFFFF
##233D76	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204378

Deuteranopia (green-blind)

#103C75

Tritanopia (blue-blind)

#004A53

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #233d76;
/* rgb */ color: rgb(35, 61, 118);
/* oklch */ color: oklch(37.2% 0.103 263.7);

Tailwind

colors: {
  custom: {
    50: '#68729e',
    500: '#233d76',
    950: '#000000',
  },
}

SCSS

$custom: #233d76;
$custom-light: #68729e;
$custom-dark: #000000;

JSON

{
  "hex": "#233d76",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 118
  },
  "hsl": {
    "h": 221.205,
    "s": 54.248,
    "l": 30
  },
  "oklch": {
    "l": 0.37209,
    "c": 0.10273,
    "h": 263.7
  },
  "luminance": 0.05003
}

Semantic roles & 50–950 ramp

primary

#233D76

secondary

#A98C4C

accent

#AF4ADE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #233D76

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

Preview Lab → · Contrast checker → · Palette generator →