#3237BC#3237BC

#3237BC is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.1% C 0.203 H 272.4°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#3237BC
RGB	rgb(50, 55, 188)
HSL	hsl(238, 58%, 47%)
HSV	hsv(238, 73%, 74%)
CMYK	cmyk(73.4%, 70.7%, 0%, 26.3%)
CIE-LAB	lab(31.90, 42.66, -69.96)
CIE-LCH	lch(31.90, 81.94, 301.38°)
OKLab	oklab(43.07% 0.0086 -0.2024)
OKLCH	oklch(43.07% 0.203 272.4)
XYZ	xyz(11.7556, 7.0401, 48.3065)
Luminance	0.0704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3237BC #BCB732

analogous

#327CBC #3237BC #7232BC

triadic

#3237BC #BC3237 #37BC32

tetradic

#3237BC #BC327C #BCB732 #32BC72

square

#3237BC #BC327C #BCB732 #32BC72

split-complementary

#3237BC #BC7232 #7CBC32

monochromatic

#181B5B #25298C #3237BC #585DD3 #898CE0

Accessibility & contrast

On white

8.72

#3237BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3237BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3237BC

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3237BC	#FFFFFF	#000000	##FFFFFF
##3237BC	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C0

Deuteranopia (green-blind)

#0044BA

Tritanopia (blue-blind)

#005C75

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3237bc;
/* rgb */ color: rgb(50, 55, 188);
/* oklch */ color: oklch(43.1% 0.203 272.4);

Tailwind

colors: {
  custom: {
    50: '#7f6fd1',
    500: '#3237bc',
    950: '#000000',
  },
}

SCSS

$custom: #3237bc;
$custom-light: #7f6fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3237bc",
  "rgb": {
    "r": 50,
    "g": 55,
    "b": 188
  },
  "hsl": {
    "h": 237.826,
    "s": 57.983,
    "l": 46.667
  },
  "oklch": {
    "l": 0.4307,
    "c": 0.20257,
    "h": 272.4
  },
  "luminance": 0.07041
}

Semantic roles & 50–950 ramp

primary

#3237BC

secondary

#C9C780

accent

#DC47E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3237BC

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

Preview Lab → · Contrast checker → · Palette generator →