#312EA0#312EA0

#312EA0 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.8% C 0.177 H 275.4°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#312EA0
RGB	rgb(49, 46, 160)
HSL	hsl(242, 55%, 40%)
HSV	hsv(242, 71%, 63%)
CMYK	cmyk(69.4%, 71.2%, 0%, 37.3%)
CIE-LAB	lab(27.14, 38.40, -61.03)
CIE-LCH	lch(27.14, 72.10, 302.18°)
OKLab	oklab(38.81% 0.0168 -0.1763)
OKLCH	oklch(38.81% 0.177 275.4)
XYZ	xyz(8.5867, 5.1442, 33.7913)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312EA0 #9DA02E

analogous

#2E64A0 #312EA0 #6A2EA0

triadic

#312EA0 #A0312E #2EA031

tetradic

#312EA0 #A02E64 #9DA02E #2EA06A

square

#312EA0 #A02E64 #9DA02E #2EA06A

split-complementary

#312EA0 #A06A2E #64A02E

monochromatic

#141341 #222070 #312EA0 #4642C9 #7572D6

Accessibility & contrast

On white

10.35

#312EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#312EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312EA0

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312EA0	#FFFFFF	#000000	##FFFFFF
##312EA0	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A3

Deuteranopia (green-blind)

#003B9E

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #312ea0;
/* rgb */ color: rgb(49, 46, 160);
/* oklch */ color: oklch(38.8% 0.177 275.4);

Tailwind

colors: {
  custom: {
    50: '#7968bd',
    500: '#312ea0',
    950: '#000000',
  },
}

SCSS

$custom: #312ea0;
$custom-light: #7968bd;
$custom-dark: #000000;

JSON

{
  "hex": "#312ea0",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 160
  },
  "hsl": {
    "h": 241.579,
    "s": 55.34,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38812,
    "c": 0.17713,
    "h": 275.4
  },
  "luminance": 0.05145
}

Semantic roles & 50–950 ramp

primary

#312EA0

secondary

#BCBE6C

accent

#DF49DB

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #312EA0

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

Preview Lab → · Contrast checker → · Palette generator →