#2937A5#2937A5

#2937A5 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.3% C 0.175 H 270.4°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#2937A5
RGB	rgb(41, 55, 165)
HSL	hsl(233, 60%, 40%)
HSV	hsv(233, 75%, 65%)
CMYK	cmyk(75.2%, 66.7%, 0%, 35.3%)
CIE-LAB	lab(29.21, 33.62, -60.68)
CIE-LCH	lch(29.21, 69.37, 298.99°)
OKLab	oklab(40.32% 0.0013 -0.1755)
OKLCH	oklch(40.32% 0.176 270.4)
XYZ	xyz(9.0699, 5.9194, 36.2546)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2937A5 #A59729

analogous

#2975A5 #2937A5 #5929A5

triadic

#2937A5 #A52937 #37A529

tetradic

#2937A5 #A52975 #A59729 #29A559

square

#2937A5 #A52975 #A59729 #29A559

split-complementary

#2937A5 #A55929 #75A529

monochromatic

#111643 #1D2774 #2937A5 #3D4DCF #6E7ADB

Accessibility & contrast

On white

9.62

#2937A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2937A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2937A5

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2937A5	#FFFFFF	#000000	##FFFFFF
##2937A5	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA8

Deuteranopia (green-blind)

#003FA3

Tritanopia (blue-blind)

#005469

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2937a5;
/* rgb */ color: rgb(41, 55, 165);
/* oklch */ color: oklch(40.3% 0.175 270.4);

Tailwind

colors: {
  custom: {
    50: '#766ec1',
    500: '#2937a5',
    950: '#000000',
  },
}

SCSS

$custom: #2937a5;
$custom-light: #766ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#2937a5",
  "rgb": {
    "r": 41,
    "g": 55,
    "b": 165
  },
  "hsl": {
    "h": 233.226,
    "s": 60.194,
    "l": 40.392
  },
  "oklch": {
    "l": 0.40324,
    "c": 0.1755,
    "h": 270.4
  },
  "luminance": 0.0592
}

Semantic roles & 50–950 ramp

primary

#2937A5

secondary

#C2B868

accent

#D144E3

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2937A5

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

Preview Lab → · Contrast checker → · Palette generator →