#2937A6#2937A6

#2937A6 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.4% C 0.177 H 270.4°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#2937A6
RGB	rgb(41, 55, 166)
HSL	hsl(233, 60%, 41%)
HSV	hsv(233, 75%, 65%)
CMYK	cmyk(75.3%, 66.9%, 0%, 34.9%)
CIE-LAB	lab(29.30, 33.99, -61.13)
CIE-LCH	lch(29.30, 69.94, 299.07°)
OKLab	oklab(40.42% 0.0013 -0.1768)
OKLCH	oklch(40.42% 0.177 270.4)
XYZ	xyz(9.1612, 5.9560, 36.7358)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2937A6 #A69829

analogous

#2975A6 #2937A6 #5929A6

triadic

#2937A6 #A62937 #37A629

tetradic

#2937A6 #A62975 #A69829 #29A659

square

#2937A6 #A62975 #A69829 #29A659

split-complementary

#2937A6 #A65929 #75A629

monochromatic

#111644 #1D2775 #2937A6 #3D4DCF #6E7ADB

Accessibility & contrast

On white

9.58

#2937A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2937A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2937A6

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2937A6	#FFFFFF	#000000	##FFFFFF
##2937A6	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA9

Deuteranopia (green-blind)

#003FA4

Tritanopia (blue-blind)

#005569

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2937a6;
/* rgb */ color: rgb(41, 55, 166);
/* oklch */ color: oklch(40.4% 0.177 270.4);

Tailwind

colors: {
  custom: {
    50: '#766ec1',
    500: '#2937a6',
    950: '#000000',
  },
}

SCSS

$custom: #2937a6;
$custom-light: #766ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#2937a6",
  "rgb": {
    "r": 41,
    "g": 55,
    "b": 166
  },
  "hsl": {
    "h": 233.28,
    "s": 60.386,
    "l": 40.588
  },
  "oklch": {
    "l": 0.4042,
    "c": 0.1768,
    "h": 270.4
  },
  "luminance": 0.05957
}

Semantic roles & 50–950 ramp

primary

#2937A6

secondary

#C2B869

accent

#D244E4

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2937A6

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

Preview Lab → · Contrast checker → · Palette generator →