#233F75#233F75

#233F75 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.6% C 0.099 H 262.1°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#233F75
RGB	rgb(35, 63, 117)
HSL	hsl(220, 54%, 30%)
HSV	hsv(220, 70%, 46%)
CMYK	cmyk(70.1%, 46.2%, 0%, 54.1%)
CIE-LAB	lab(27.29, 8.91, -34.17)
CIE-LCH	lch(27.29, 35.31, 284.61°)
OKLab	oklab(37.61% -0.0135 -0.0976)
OKLCH	oklch(37.61% 0.099 262.1)
XYZ	xyz(5.6804, 5.1961, 17.5298)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233F75 #755923

analogous

#236875 #233F75 #302375

triadic

#233F75 #75233F #3F7523

tetradic

#233F75 #752368 #755923 #237530

square

#233F75 #752368 #755923 #237530

split-complementary

#233F75 #753023 #687523

monochromatic

#070D18 #152646 #233F75 #3158A4 #4A75C9

Accessibility & contrast

On white

10.30

#233F75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#233F75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F75

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233F75	#FFFFFF	#000000	##FFFFFF
##233F75	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254577

Deuteranopia (green-blind)

#173D74

Tritanopia (blue-blind)

#004B54

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #233f75;
/* rgb */ color: rgb(35, 63, 117);
/* oklch */ color: oklch(37.6% 0.099 262.1);

Tailwind

colors: {
  custom: {
    50: '#68739d',
    500: '#233f75',
    950: '#000000',
  },
}

SCSS

$custom: #233f75;
$custom-light: #68739d;
$custom-dark: #000000;

JSON

{
  "hex": "#233f75",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 117
  },
  "hsl": {
    "h": 219.512,
    "s": 53.947,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37606,
    "c": 0.09858,
    "h": 262.1
  },
  "luminance": 0.05197
}

Semantic roles & 50–950 ramp

primary

#233F75

secondary

#A8884C

accent

#AB4ADD

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #233F75

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

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