#312EAF#312EAF

#312EAF is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.3% C 0.196 H 274.2°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#312EAF
RGB	rgb(49, 46, 175)
HSL	hsl(241, 58%, 43%)
HSV	hsv(241, 74%, 69%)
CMYK	cmyk(72%, 73.7%, 0%, 31.4%)
CIE-LAB	lab(28.65, 43.44, -67.59)
CIE-LCH	lch(28.65, 80.35, 302.73°)
OKLab	oklab(40.34% 0.0143 -0.1955)
OKLCH	oklch(40.34% 0.196 274.2)
XYZ	xyz(9.9789, 5.7011, 41.1237)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312EAF #ACAF2E

analogous

#2E6BAF #312EAF #712EAF

triadic

#312EAF #AF312E #2EAF31

tetradic

#312EAF #AF2E6B #ACAF2E #2EAF71

square

#312EAF #AF2E6B #ACAF2E #2EAF71

split-complementary

#312EAF #AF712E #6BAF2E

monochromatic

#16154E #23217F #312EAF #4E4BD0 #7D7BDC

Accessibility & contrast

On white

9.81

#312EAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#312EAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312EAF

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312EAF	#FFFFFF	#000000	##FFFFFF
##312EAF	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B3

Deuteranopia (green-blind)

#003DAD

Tritanopia (blue-blind)

#00536C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #312eaf;
/* rgb */ color: rgb(49, 46, 175);
/* oklch */ color: oklch(40.3% 0.196 274.2);

Tailwind

colors: {
  custom: {
    50: '#7c68c8',
    500: '#312eaf',
    950: '#000000',
  },
}

SCSS

$custom: #312eaf;
$custom-light: #7c68c8;
$custom-dark: #000000;

JSON

{
  "hex": "#312eaf",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 175
  },
  "hsl": {
    "h": 241.395,
    "s": 58.371,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40339,
    "c": 0.19601,
    "h": 274.2
  },
  "luminance": 0.05702
}

Semantic roles & 50–950 ramp

primary

#312EAF

secondary

#C3C574

accent

#E246DE

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #312EAF

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

Preview Lab → · Contrast checker → · Palette generator →