#2937A8#2937A8

#2937A8 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.6% C 0.179 H 270.4°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#2937A8
RGB	rgb(41, 55, 168)
HSL	hsl(233, 61%, 41%)
HSV	hsv(233, 76%, 66%)
CMYK	cmyk(75.6%, 67.3%, 0%, 34.1%)
CIE-LAB	lab(29.49, 34.71, -62.02)
CIE-LCH	lch(29.49, 71.08, 299.23°)
OKLab	oklab(40.61% 0.0011 -0.1794)
OKLCH	oklch(40.61% 0.179 270.4)
XYZ	xyz(9.3461, 6.0299, 37.7095)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2937A8 #A89A29

analogous

#2976A8 #2937A8 #5A29A8

triadic

#2937A8 #A82937 #37A829

tetradic

#2937A8 #A82976 #A89A29 #29A85A

square

#2937A8 #A82976 #A89A29 #29A85A

split-complementary

#2937A8 #A85A29 #76A829

monochromatic

#111746 #1D2777 #2937A8 #3E4ED0 #6F7BDC

Accessibility & contrast

On white

9.52

#2937A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2937A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2937A8

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2937A8	#FFFFFF	#000000	##FFFFFF
##2937A8	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAC

Deuteranopia (green-blind)

#003FA6

Tritanopia (blue-blind)

#00556A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2937a8;
/* rgb */ color: rgb(41, 55, 168);
/* oklch */ color: oklch(40.6% 0.179 270.4);

Tailwind

colors: {
  custom: {
    50: '#776ec3',
    500: '#2937a8',
    950: '#000000',
  },
}

SCSS

$custom: #2937a8;
$custom-light: #776ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#2937a8",
  "rgb": {
    "r": 41,
    "g": 55,
    "b": 168
  },
  "hsl": {
    "h": 233.386,
    "s": 60.766,
    "l": 40.98
  },
  "oklch": {
    "l": 0.40613,
    "c": 0.17943,
    "h": 270.4
  },
  "luminance": 0.06031
}

Semantic roles & 50–950 ramp

primary

#2937A8

secondary

#C3B96A

accent

#D244E4

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2937A8

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

Preview Lab → · Contrast checker → · Palette generator →