#203F75#203F75

#203F75 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.100 H 260.7°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#203F75
RGB	rgb(32, 63, 117)
HSL	hsl(218, 57%, 29%)
HSV	hsv(218, 73%, 46%)
CMYK	cmyk(72.6%, 46.2%, 0%, 54.1%)
CIE-LAB	lab(27.15, 8.39, -34.40)
CIE-LCH	lch(27.15, 35.41, 283.70°)
OKLab	oklab(37.46% -0.0162 -0.0984)
OKLCH	oklch(37.46% 0.1 260.7)
XYZ	xyz(5.5829, 5.1459, 17.5252)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F75 #755620

analogous

#206A75 #203F75 #2C2075

triadic

#203F75 #75203F #3F7520

tetradic

#203F75 #75206A #755620 #20752C

square

#203F75 #75206A #755620 #20752C

split-complementary

#203F75 #752C20 #6A7520

monochromatic

#070D18 #132545 #203F75 #2D59A5 #4475CC

Accessibility & contrast

On white

10.35

#203F75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#203F75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F75

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F75	#FFFFFF	#000000	##FFFFFF
##203F75	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254477

Deuteranopia (green-blind)

#153C74

Tritanopia (blue-blind)

#004C54

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #203f75;
/* rgb */ color: rgb(32, 63, 117);
/* oklch */ color: oklch(37.5% 0.100 260.7);

Tailwind

colors: {
  custom: {
    50: '#67739d',
    500: '#203f75',
    950: '#000000',
  },
}

SCSS

$custom: #203f75;
$custom-light: #67739d;
$custom-dark: #000000;

JSON

{
  "hex": "#203f75",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 117
  },
  "hsl": {
    "h": 218.118,
    "s": 57.047,
    "l": 29.216
  },
  "oklch": {
    "l": 0.3746,
    "c": 0.0997,
    "h": 260.7
  },
  "luminance": 0.05146
}

Semantic roles & 50–950 ramp

primary

#203F75

secondary

#A88548

accent

#A947E0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #203F75

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

Preview Lab → · Contrast checker → · Palette generator →