#2D31AC#2D31AC

#2D31AC is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.2% C 0.190 H 272.5°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX#2D31AC
RGBrgb(45, 49, 172)
HSLhsl(238, 59%, 43%)
HSVhsv(238, 74%, 67%)
CMYKcmyk(73.8%, 71.5%, 0%, 32.5%)
CIE-LABlab(28.73, 40.26, -65.67)
CIE-LCHlch(28.73, 77.03, 301.51°)
OKLaboklab(40.24% 0.0084 -0.19)
OKLCHoklch(40.24% 0.19 272.5)
XYZxyz(9.6244, 5.7321, 39.6209)
Luminance0.0573 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2D31AC #ACA82D
analogous
#2D71AC #2D31AC #682DAC
triadic
#2D31AC #AC2D31 #31AC2D
tetradic
#2D31AC #AC2D71 #ACA82D #2DAC68
square
#2D31AC #AC2D71 #ACA82D #2DAC68
split-complementary
#2D31AC #AC682D #71AC2D
monochromatic
#14154B #20237B #2D31AC #474CCF #787BDC

Accessibility & contrast

On white

9.78
#2D31AC on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.15
#2D31AC on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D31AC
9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2D31AC#FFFFFF#000000##FFFFFF
##2D31AC1.009.782.159.78
#FFFFFF9.781.0021.001.00
#0000002.1521.001.0021.00
##FFFFFF9.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004AB0
Deuteranopia (green-blind)
#003EAA
Tritanopia (blue-blind)
#00536B
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #2d31ac;
/* rgb */ color: rgb(45, 49, 172);
/* oklch */ color: oklch(40.2% 0.190 272.5);
Tailwind
colors: {
  custom: {
    50: '#7a6ac6',
    500: '#2d31ac',
    950: '#000000',
  },
}
SCSS
$custom: #2d31ac;
$custom-light: #7a6ac6;
$custom-dark: #000000;
JSON
{
  "hex": "#2d31ac",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 172
  },
  "hsl": {
    "h": 238.11,
    "s": 58.525,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40239,
    "c": 0.19018,
    "h": 272.5
  },
  "luminance": 0.05733
}

Semantic roles & 50–950 ramp

primary
#2D31AC
secondary
#C4C171
accent
#DD46E2
background
#F8F6FC
surface
#EFEBF8
border
#CAC6D1
text
#0B0613
muted
#7C7A82

Preview Lab

Preview with #2D31AC

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

Preview Lab → · Contrast checker → · Palette generator →

#2D31AC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva