#3127B2#3127B2

#3127B2 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.7% C 0.206 H 274.7°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#3127B2
RGB	rgb(49, 39, 178)
HSL	hsl(244, 64%, 43%)
HSV	hsv(244, 78%, 70%)
CMYK	cmyk(72.5%, 78.1%, 0%, 30.2%)
CIE-LAB	lab(27.62, 48.22, -71.08)
CIE-LCH	lch(27.62, 85.89, 304.15°)
OKLab	oklab(39.71% 0.017 -0.2056)
OKLCH	oklch(39.71% 0.206 274.7)
XYZ	xyz(10.0254, 5.3174, 42.6089)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3127B2 #A8B227

analogous

#2762B2 #3127B2 #7727B2

triadic

#3127B2 #B23127 #27B231

tetradic

#3127B2 #B22762 #A8B227 #27B277

square

#3127B2 #B22762 #A8B227 #27B277

split-complementary

#3127B2 #B27727 #62B227

monochromatic

#15114E #231C80 #3127B2 #4C41D5 #7B73E0

Accessibility & contrast

On white

10.18

#3127B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#3127B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3127B2

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3127B2	#FFFFFF	#000000	##FFFFFF
##3127B2	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B6

Deuteranopia (green-blind)

#003BB0

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3127b2;
/* rgb */ color: rgb(49, 39, 178);
/* oklch */ color: oklch(39.7% 0.206 274.7);

Tailwind

colors: {
  custom: {
    50: '#7e64ca',
    500: '#3127b2',
    950: '#000000',
  },
}

SCSS

$custom: #3127b2;
$custom-light: #7e64ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3127b2",
  "rgb": {
    "r": 49,
    "g": 39,
    "b": 178
  },
  "hsl": {
    "h": 244.317,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.39709,
    "c": 0.20627,
    "h": 274.7
  },
  "luminance": 0.05318
}

Semantic roles & 50–950 ramp

primary

#3127B2

secondary

#C1C86D

accent

#E741DB

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3127B2

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

Preview Lab → · Contrast checker → · Palette generator →