#3127B7#3127B7

#3127B7 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.3% C 0.212 H 274.3°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#3127B7
RGB	rgb(49, 39, 183)
HSL	hsl(244, 65%, 44%)
HSV	hsv(244, 79%, 72%)
CMYK	cmyk(73.2%, 78.7%, 0%, 28.2%)
CIE-LAB	lab(28.17, 49.79, -73.15)
CIE-LCH	lch(28.17, 88.49, 304.24°)
OKLab	oklab(40.26% 0.0158 -0.2116)
OKLCH	oklch(40.26% 0.212 274.3)
XYZ	xyz(10.5366, 5.5218, 45.3011)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3127B7 #ADB727

analogous

#2765B7 #3127B7 #7927B7

triadic

#3127B7 #B73127 #27B731

tetradic

#3127B7 #B72765 #ADB727 #27B779

square

#3127B7 #B72765 #ADB727 #27B779

split-complementary

#3127B7 #B77927 #65B727

monochromatic

#161152 #231C85 #3127B7 #4E44D7 #7E76E2

Accessibility & contrast

On white

9.98

#3127B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#3127B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3127B7

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3127B7	#FFFFFF	#000000	##FFFFFF
##3127B7	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049BB

Deuteranopia (green-blind)

#003CB5

Tritanopia (blue-blind)

#00536F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3127b7;
/* rgb */ color: rgb(49, 39, 183);
/* oklch */ color: oklch(40.3% 0.212 274.3);

Tailwind

colors: {
  custom: {
    50: '#7f65ce',
    500: '#3127b7',
    950: '#000000',
  },
}

SCSS

$custom: #3127b7;
$custom-light: #7f65ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3127b7",
  "rgb": {
    "r": 49,
    "g": 39,
    "b": 183
  },
  "hsl": {
    "h": 244.167,
    "s": 64.865,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40258,
    "c": 0.21217,
    "h": 274.3
  },
  "luminance": 0.05523
}

Semantic roles & 50–950 ramp

primary

#3127B7

secondary

#C3C970

accent

#E840DC

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3127B7

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

Preview Lab → · Contrast checker → · Palette generator →