#3127A8#3127A8

#3127A8 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.6% C 0.194 H 275.7°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#3127A8
RGB	rgb(49, 39, 168)
HSL	hsl(245, 62%, 41%)
HSV	hsv(245, 77%, 66%)
CMYK	cmyk(70.8%, 76.8%, 0%, 34.1%)
CIE-LAB	lab(26.54, 45.04, -66.87)
CIE-LCH	lch(26.54, 80.62, 303.96°)
OKLab	oklab(38.63% 0.0193 -0.1933)
OKLCH	oklch(38.63% 0.194 275.7)
XYZ	xyz(9.0577, 4.9303, 37.5125)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3127A8 #9EA827

analogous

#275DA8 #3127A8 #7127A8

triadic

#3127A8 #A83127 #27A831

tetradic

#3127A8 #A8275D #9EA827 #27A871

square

#3127A8 #A8275D #9EA827 #27A871

split-complementary

#3127A8 #A87127 #5DA827

monochromatic

#141045 #231B76 #3127A8 #463BD1 #756CDD

Accessibility & contrast

On white

10.57

#3127A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#3127A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3127A8

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3127A8	#FFFFFF	#000000	##FFFFFF
##3127A8	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AC

Deuteranopia (green-blind)

#0039A6

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3127a8;
/* rgb */ color: rgb(49, 39, 168);
/* oklch */ color: oklch(38.6% 0.194 275.7);

Tailwind

colors: {
  custom: {
    50: '#7b64c3',
    500: '#3127a8',
    950: '#000000',
  },
}

SCSS

$custom: #3127a8;
$custom-light: #7b64c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3127a8",
  "rgb": {
    "r": 49,
    "g": 39,
    "b": 168
  },
  "hsl": {
    "h": 244.651,
    "s": 62.319,
    "l": 40.588
  },
  "oklch": {
    "l": 0.38627,
    "c": 0.19429,
    "h": 275.7
  },
  "luminance": 0.04931
}

Semantic roles & 50–950 ramp

primary

#3127A8

secondary

#BCC367

accent

#E542D9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #3127A8

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

Preview Lab → · Contrast checker → · Palette generator →