#2937A7#2937A7

#2937A7 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.5% C 0.178 H 270.4°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#2937A7
RGB	rgb(41, 55, 167)
HSL	hsl(233, 61%, 41%)
HSV	hsv(233, 75%, 65%)
CMYK	cmyk(75.4%, 67.1%, 0%, 34.5%)
CIE-LAB	lab(29.39, 34.35, -61.58)
CIE-LCH	lch(29.39, 70.51, 299.15°)
OKLab	oklab(40.52% 0.0012 -0.1781)
OKLCH	oklch(40.52% 0.178 270.4)
XYZ	xyz(9.2533, 5.9928, 37.2208)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2937A7 #A79929

analogous

#2976A7 #2937A7 #5A29A7

triadic

#2937A7 #A72937 #37A729

tetradic

#2937A7 #A72976 #A79929 #29A75A

square

#2937A7 #A72976 #A79929 #29A75A

split-complementary

#2937A7 #A75A29 #76A729

monochromatic

#111745 #1D2776 #2937A7 #3E4ED0 #6F7BDC

Accessibility & contrast

On white

9.55

#2937A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2937A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2937A7

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2937A7	#FFFFFF	#000000	##FFFFFF
##2937A7	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAA

Deuteranopia (green-blind)

#003FA5

Tritanopia (blue-blind)

#00556A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2937a7;
/* rgb */ color: rgb(41, 55, 167);
/* oklch */ color: oklch(40.5% 0.178 270.4);

Tailwind

colors: {
  custom: {
    50: '#776ec2',
    500: '#2937a7',
    950: '#000000',
  },
}

SCSS

$custom: #2937a7;
$custom-light: #776ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#2937a7",
  "rgb": {
    "r": 41,
    "g": 55,
    "b": 167
  },
  "hsl": {
    "h": 233.333,
    "s": 60.577,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40516,
    "c": 0.17812,
    "h": 270.4
  },
  "luminance": 0.05994
}

Semantic roles & 50–950 ramp

primary

#2937A7

secondary

#C2B969

accent

#D244E4

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2937A7

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

Preview Lab → · Contrast checker → · Palette generator →