#233E80#233E80

#233E80 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.2% C 0.116 H 264.7°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#233E80
RGB	rgb(35, 62, 128)
HSL	hsl(223, 57%, 32%)
HSV	hsv(223, 73%, 50%)
CMYK	cmyk(72.7%, 51.6%, 0%, 49.8%)
CIE-LAB	lab(27.74, 13.94, -40.36)
CIE-LCH	lch(27.74, 42.70, 289.05°)
OKLab	oklab(38.19% -0.0107 -0.1159)
OKLCH	oklch(38.19% 0.116 264.7)
XYZ	xyz(6.3107, 5.3604, 21.1200)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E80 #806523

analogous

#236D80 #233E80 #372380

triadic

#233E80 #80233E #3E8023

tetradic

#233E80 #80236D #806523 #238037

square

#233E80 #80236D #806523 #238037

split-complementary

#233E80 #803723 #6D8023

monochromatic

#090F20 #162750 #233E80 #3055B0 #4F74CF

Accessibility & contrast

On white

10.13

#233E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#233E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E80

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E80	#FFFFFF	#000000	##FFFFFF
##233E80	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184682

Deuteranopia (green-blind)

#003D7F

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #233e80;
/* rgb */ color: rgb(35, 62, 128);
/* oklch */ color: oklch(38.2% 0.116 264.7);

Tailwind

colors: {
  custom: {
    50: '#6b72a5',
    500: '#233e80',
    950: '#000000',
  },
}

SCSS

$custom: #233e80;
$custom-light: #6b72a5;
$custom-dark: #000000;

JSON

{
  "hex": "#233e80",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 128
  },
  "hsl": {
    "h": 222.581,
    "s": 57.055,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38194,
    "c": 0.11637,
    "h": 264.7
  },
  "luminance": 0.05361
}

Semantic roles & 50–950 ramp

primary

#233E80

secondary

#B2954D

accent

#B447E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #233E80

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

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