#203F7B#203F7B

#203F7B is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.9% C 0.109 H 262.0°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#203F7B
RGB	rgb(32, 63, 123)
HSL	hsl(220, 59%, 30%)
HSV	hsv(220, 74%, 48%)
CMYK	cmyk(74%, 48.8%, 0%, 51.8%)
CIE-LAB	lab(27.55, 10.78, -37.54)
CIE-LCH	lch(27.55, 39.06, 286.03°)
OKLab	oklab(37.9% -0.0151 -0.1076)
OKLCH	oklch(37.9% 0.109 262)
XYZ	xyz(5.9470, 5.2915, 19.4430)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F7B #7B5C20

analogous

#206D7B #203F7B #2E207B

triadic

#203F7B #7B203F #3F7B20

tetradic

#203F7B #7B206D #7B5C20 #207B2E

square

#203F7B #7B206D #7B5C20 #207B2E

split-complementary

#203F7B #7B2E20 #6D7B20

monochromatic

#070D1A #13264A #203F7B #2D58AC #4675CF

Accessibility & contrast

On white

10.20

#203F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#203F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F7B

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F7B	#FFFFFF	#000000	##FFFFFF
##203F7B	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F467D

Deuteranopia (green-blind)

#0A3D7A

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #203f7b;
/* rgb */ color: rgb(32, 63, 123);
/* oklch */ color: oklch(37.9% 0.109 262.0);

Tailwind

colors: {
  custom: {
    50: '#6873a2',
    500: '#203f7b',
    950: '#000000',
  },
}

SCSS

$custom: #203f7b;
$custom-light: #6873a2;
$custom-dark: #000000;

JSON

{
  "hex": "#203f7b",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 123
  },
  "hsl": {
    "h": 219.56,
    "s": 58.71,
    "l": 30.392
  },
  "oklch": {
    "l": 0.379,
    "c": 0.10866,
    "h": 262
  },
  "luminance": 0.05292
}

Semantic roles & 50–950 ramp

primary

#203F7B

secondary

#AE8C49

accent

#AD46E2

background

#F6F6FA

surface

#EBECF3

border

#C6C7CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #203F7B

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

Preview Lab → · Contrast checker → · Palette generator →