#203DA1#203DA1

#203DA1 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.165 H 266.4°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#203DA1
RGB	rgb(32, 61, 161)
HSL	hsl(227, 67%, 38%)
HSV	hsv(227, 80%, 63%)
CMYK	cmyk(80.1%, 62.1%, 0%, 36.9%)
CIE-LAB	lab(29.95, 27.22, -57.06)
CIE-LCH	lch(29.95, 63.22, 295.51°)
OKLab	oklab(40.65% -0.0105 -0.165)
OKLCH	oklch(40.65% 0.165 266.4)
XYZ	xyz(8.6952, 6.2168, 34.4530)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#203DA1 #A18420

analogous

#207DA1 #203DA1 #4420A1

triadic

#203DA1 #A1203D #3DA120

tetradic

#203DA1 #A1207D #A18420 #20A144

square

#203DA1 #A1207D #A18420 #20A144

split-complementary

#203DA1 #A14420 #7DA120

monochromatic

#0C163B #162A6E #203DA1 #2A50D4 #5D7ADF

Accessibility & contrast

On white

9.36

#203DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#203DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #203DA1

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##203DA1	#FFFFFF	#000000	##FFFFFF
##203DA1	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA4

Deuteranopia (green-blind)

#00419F

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #203da1;
/* rgb */ color: rgb(32, 61, 161);
/* oklch */ color: oklch(40.6% 0.165 266.4);

Tailwind

colors: {
  custom: {
    50: '#7272be',
    500: '#203da1',
    950: '#000000',
  },
}

SCSS

$custom: #203da1;
$custom-light: #7272be;
$custom-dark: #000000;

JSON

{
  "hex": "#203da1",
  "rgb": {
    "r": 32,
    "g": 61,
    "b": 161
  },
  "hsl": {
    "h": 226.512,
    "s": 66.839,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40648,
    "c": 0.16534,
    "h": 266.4
  },
  "luminance": 0.06218
}

Semantic roles & 50–950 ramp

primary

#203DA1

secondary

#C3AB5A

accent

#C33EEA

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #203DA1

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

Preview Lab → · Contrast checker → · Palette generator →