#2937A0#2937A0

#2937A0 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.8% C 0.169 H 270.6°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#2937A0
RGB	rgb(41, 55, 160)
HSL	hsl(233, 59%, 39%)
HSV	hsv(233, 74%, 63%)
CMYK	cmyk(74.4%, 65.6%, 0%, 37.3%)
CIE-LAB	lab(28.75, 31.79, -58.41)
CIE-LCH	lch(28.75, 66.50, 298.56°)
OKLab	oklab(39.85% 0.0017 -0.1688)
OKLCH	oklch(39.85% 0.169 270.6)
XYZ	xyz(8.6236, 5.7410, 33.9045)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2937A0 #A09229

analogous

#2973A0 #2937A0 #5729A0

triadic

#2937A0 #A02937 #37A029

tetradic

#2937A0 #A02973 #A09229 #29A057

square

#2937A0 #A02973 #A09229 #29A057

split-complementary

#2937A0 #A05729 #73A029

monochromatic

#10163F #1D266F #2937A0 #3A4BCC #6A77D9

Accessibility & contrast

On white

9.77

#2937A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2937A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2937A0

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2937A0	#FFFFFF	#000000	##FFFFFF
##2937A0	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A3

Deuteranopia (green-blind)

#003E9E

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2937a0;
/* rgb */ color: rgb(41, 55, 160);
/* oklch */ color: oklch(39.8% 0.169 270.6);

Tailwind

colors: {
  custom: {
    50: '#756ebd',
    500: '#2937a0',
    950: '#000000',
  },
}

SCSS

$custom: #2937a0;
$custom-light: #756ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#2937a0",
  "rgb": {
    "r": 41,
    "g": 55,
    "b": 160
  },
  "hsl": {
    "h": 232.941,
    "s": 59.204,
    "l": 39.412
  },
  "oklch": {
    "l": 0.39848,
    "c": 0.16885,
    "h": 270.6
  },
  "luminance": 0.05742
}

Semantic roles & 50–950 ramp

primary

#2937A0

secondary

#BFB565

accent

#D045E2

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2937A0

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

Preview Lab → · Contrast checker → · Palette generator →