#203F70#203F70

#203F70 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.1% C 0.092 H 259.2°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#203F70
RGB	rgb(32, 63, 112)
HSL	hsl(217, 56%, 28%)
HSV	hsv(217, 71%, 44%)
CMYK	cmyk(71.4%, 43.7%, 0%, 56.1%)
CIE-LAB	lab(26.82, 6.40, -31.75)
CIE-LCH	lch(26.82, 32.38, 281.39°)
OKLab	oklab(37.11% -0.0173 -0.0906)
OKLCH	oklch(37.11% 0.092 259.2)
XYZ	xyz(5.2968, 5.0314, 16.0181)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F70 #705120

analogous

#206770 #203F70 #292070

triadic

#203F70 #70203F #3F7020

tetradic

#203F70 #702067 #705120 #207029

square

#203F70 #702067 #705120 #207029

split-complementary

#203F70 #702920 #677020

monochromatic

#070D18 #122440 #203F70 #2E5AA0 #4276C9

Accessibility & contrast

On white

10.47

#203F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#203F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F70

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F70	#FFFFFF	#000000	##FFFFFF
##203F70	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284372

Deuteranopia (green-blind)

#1B3C6F

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #203f70;
/* rgb */ color: rgb(32, 63, 112);
/* oklch */ color: oklch(37.1% 0.092 259.2);

Tailwind

colors: {
  custom: {
    50: '#667399',
    500: '#203f70',
    950: '#000000',
  },
}

SCSS

$custom: #203f70;
$custom-light: #667399;
$custom-dark: #000000;

JSON

{
  "hex": "#203f70",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 112
  },
  "hsl": {
    "h": 216.75,
    "s": 55.556,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37106,
    "c": 0.09221,
    "h": 259.2
  },
  "luminance": 0.05032
}

Semantic roles & 50–950 ramp

primary

#203F70

secondary

#A48048

accent

#A549DF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #203F70

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

Preview Lab → · Contrast checker → · Palette generator →