#2937A2#2937A2

#2937A2 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.0% C 0.172 H 270.5°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#2937A2
RGB	rgb(41, 55, 162)
HSL	hsl(233, 60%, 40%)
HSV	hsv(233, 75%, 64%)
CMYK	cmyk(74.7%, 66%, 0%, 36.5%)
CIE-LAB	lab(28.93, 32.52, -59.32)
CIE-LCH	lch(28.93, 67.65, 298.74°)
OKLab	oklab(40.04% 0.0016 -0.1715)
OKLCH	oklch(40.04% 0.172 270.5)
XYZ	xyz(8.8000, 5.8115, 34.8334)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2937A2 #A29429

analogous

#2973A2 #2937A2 #5829A2

triadic

#2937A2 #A22937 #37A229

tetradic

#2937A2 #A22973 #A29429 #29A258

square

#2937A2 #A22973 #A29429 #29A258

split-complementary

#2937A2 #A25829 #73A229

monochromatic

#101640 #1D2671 #2937A2 #3B4CCD #6C78DA

Accessibility & contrast

On white

9.71

#2937A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2937A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2937A2

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2937A2	#FFFFFF	#000000	##FFFFFF
##2937A2	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA5

Deuteranopia (green-blind)

#003FA0

Tritanopia (blue-blind)

#005367

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2937a2;
/* rgb */ color: rgb(41, 55, 162);
/* oklch */ color: oklch(40.0% 0.172 270.5);

Tailwind

colors: {
  custom: {
    50: '#766ebf',
    500: '#2937a2',
    950: '#000000',
  },
}

SCSS

$custom: #2937a2;
$custom-light: #766ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#2937a2",
  "rgb": {
    "r": 41,
    "g": 55,
    "b": 162
  },
  "hsl": {
    "h": 233.058,
    "s": 59.606,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40037,
    "c": 0.17152,
    "h": 270.5
  },
  "luminance": 0.05812
}

Semantic roles & 50–950 ramp

primary

#2937A2

secondary

#C0B667

accent

#D145E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2937A2

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

Preview Lab → · Contrast checker → · Palette generator →