#233D7E#233D7E

#233D7E is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.8% C 0.115 H 265.0°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#233D7E
RGB	rgb(35, 61, 126)
HSL	hsl(223, 57%, 32%)
HSV	hsv(223, 72%, 49%)
CMYK	cmyk(72.2%, 51.6%, 0%, 50.6%)
CIE-LAB	lab(27.30, 13.84, -39.82)
CIE-LCH	lch(27.30, 42.16, 289.17°)
OKLab	oklab(37.81% -0.01 -0.1143)
OKLCH	oklch(37.81% 0.115 265)
XYZ	xyz(6.1265, 5.2005, 20.4156)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D7E #7E6423

analogous

#236B7E #233D7E #37237E

triadic

#233D7E #7E233D #3D7E23

tetradic

#233D7E #7E236B #7E6423 #237E37

square

#233D7E #7E236B #7E6423 #237E37

split-complementary

#233D7E #7E3723 #6B7E23

monochromatic

#080F1E #16264E #233D7E #3054AE #4E72CE

Accessibility & contrast

On white

10.29

#233D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#233D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D7E

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D7E	#FFFFFF	#000000	##FFFFFF
##233D7E	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184580

Deuteranopia (green-blind)

#003D7D

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #233d7e;
/* rgb */ color: rgb(35, 61, 126);
/* oklch */ color: oklch(37.8% 0.115 265.0);

Tailwind

colors: {
  custom: {
    50: '#6a72a4',
    500: '#233d7e',
    950: '#000000',
  },
}

SCSS

$custom: #233d7e;
$custom-light: #6a72a4;
$custom-dark: #000000;

JSON

{
  "hex": "#233d7e",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 126
  },
  "hsl": {
    "h": 222.857,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37814,
    "c": 0.11474,
    "h": 265
  },
  "luminance": 0.05201
}

Semantic roles & 50–950 ramp

primary

#233D7E

secondary

#B0944C

accent

#B448E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #233D7E

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

Preview Lab → · Contrast checker → · Palette generator →