#203F6E#203F6E

#203F6E is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.0% C 0.089 H 258.5°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#203F6E
RGB	rgb(32, 63, 110)
HSL	hsl(216, 55%, 28%)
HSV	hsv(216, 71%, 43%)
CMYK	cmyk(70.9%, 42.7%, 0%, 56.9%)
CIE-LAB	lab(26.70, 5.60, -30.67)
CIE-LCH	lch(26.70, 31.18, 280.35°)
OKLab	oklab(36.97% -0.0177 -0.0874)
OKLCH	oklch(36.97% 0.089 258.5)
XYZ	xyz(5.1866, 4.9874, 15.4381)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203F6E #6E4F20

analogous

#20666E #203F6E #28206E

triadic

#203F6E #6E203F #3F6E20

tetradic

#203F6E #6E2066 #6E4F20 #206E28

square

#203F6E #6E2066 #6E4F20 #206E28

split-complementary

#203F6E #6E2820 #666E20

monochromatic

#070E18 #12243F #203F6E #2E5A9D #4176C8

Accessibility & contrast

On white

10.51

#203F6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#203F6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203F6E

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203F6E	#FFFFFF	#000000	##FFFFFF
##203F6E	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294370

Deuteranopia (green-blind)

#1D3C6D

Tritanopia (blue-blind)

#004A51

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #203f6e;
/* rgb */ color: rgb(32, 63, 110);
/* oklch */ color: oklch(37.0% 0.089 258.5);

Tailwind

colors: {
  custom: {
    50: '#657398',
    500: '#203f6e',
    950: '#000000',
  },
}

SCSS

$custom: #203f6e;
$custom-light: #657398;
$custom-dark: #000000;

JSON

{
  "hex": "#203f6e",
  "rgb": {
    "r": 32,
    "g": 63,
    "b": 110
  },
  "hsl": {
    "h": 216.154,
    "s": 54.93,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36969,
    "c": 0.08921,
    "h": 258.5
  },
  "luminance": 0.04988
}

Semantic roles & 50–950 ramp

primary

#203F6E

secondary

#A27E48

accent

#A34ADE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #203F6E

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

Preview Lab → · Contrast checker → · Palette generator →