#2937A9#2937A9

#2937A9 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.7% C 0.181 H 270.3°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#2937A9
RGB	rgb(41, 55, 169)
HSL	hsl(233, 61%, 41%)
HSV	hsv(233, 76%, 66%)
CMYK	cmyk(75.7%, 67.5%, 0%, 33.7%)
CIE-LAB	lab(29.58, 35.07, -62.47)
CIE-LCH	lch(29.58, 71.64, 299.31°)
OKLab	oklab(40.71% 0.001 -0.1807)
OKLCH	oklch(40.71% 0.181 270.3)
XYZ	xyz(9.4396, 6.0674, 38.2020)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2937A9 #A99B29

analogous

#2977A9 #2937A9 #5B29A9

triadic

#2937A9 #A92937 #37A929

tetradic

#2937A9 #A92977 #A99B29 #29A95B

square

#2937A9 #A92977 #A99B29 #29A95B

split-complementary

#2937A9 #A95B29 #77A929

monochromatic

#111746 #1D2778 #2937A9 #3F4FD0 #707CDC

Accessibility & contrast

On white

9.49

#2937A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2937A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2937A9

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2937A9	#FFFFFF	#000000	##FFFFFF
##2937A9	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAD

Deuteranopia (green-blind)

#0040A7

Tritanopia (blue-blind)

#00566B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2937a9;
/* rgb */ color: rgb(41, 55, 169);
/* oklch */ color: oklch(40.7% 0.181 270.3);

Tailwind

colors: {
  custom: {
    50: '#776ec4',
    500: '#2937a9',
    950: '#000000',
  },
}

SCSS

$custom: #2937a9;
$custom-light: #776ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#2937a9",
  "rgb": {
    "r": 41,
    "g": 55,
    "b": 169
  },
  "hsl": {
    "h": 233.438,
    "s": 60.952,
    "l": 41.176
  },
  "oklch": {
    "l": 0.4071,
    "c": 0.18074,
    "h": 270.3
  },
  "luminance": 0.06068
}

Semantic roles & 50–950 ramp

primary

#2937A9

secondary

#C3BA6A

accent

#D344E4

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2937A9

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

Preview Lab → · Contrast checker → · Palette generator →