#1E51C2#1E51C2

#1E51C2 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.5% C 0.185 H 263.0°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#1E51C2
RGB	rgb(30, 81, 194)
HSL	hsl(221, 73%, 44%)
HSV	hsv(221, 85%, 76%)
CMYK	cmyk(84.5%, 58.2%, 0%, 23.9%)
CIE-LAB	lab(37.94, 26.51, -63.60)
CIE-LCH	lch(37.94, 68.91, 292.63°)
OKLab	oklab(47.45% -0.0226 -0.1839)
OKLCH	oklch(47.45% 0.185 263)
XYZ	xyz(13.2120, 10.0543, 52.2728)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E51C2 #C28F1E

analogous

#1EA3C2 #1E51C2 #3D1EC2

triadic

#1E51C2 #C21E51 #51C21E

tetradic

#1E51C2 #C21EA3 #C28F1E #1EC23D

square

#1E51C2 #C21EA3 #C28F1E #1EC23D

split-complementary

#1E51C2 #C23D1E #A3C21E

monochromatic

#0E2558 #163B8D #1E51C2 #3C6FE1 #7197E9

Accessibility & contrast

On white

6.97

#1E51C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#1E51C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E51C2

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E51C2	#FFFFFF	#000000	##FFFFFF
##1E51C2	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C6

Deuteranopia (green-blind)

#0052C0

Tritanopia (blue-blind)

#006E81

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1e51c2;
/* rgb */ color: rgb(30, 81, 194);
/* oklch */ color: oklch(47.5% 0.185 263.0);

Tailwind

colors: {
  custom: {
    50: '#7881d5',
    500: '#1e51c2',
    950: '#000000',
  },
}

SCSS

$custom: #1e51c2;
$custom-light: #7881d5;
$custom-dark: #000000;

JSON

{
  "hex": "#1e51c2",
  "rgb": {
    "r": 30,
    "g": 81,
    "b": 194
  },
  "hsl": {
    "h": 221.341,
    "s": 73.214,
    "l": 43.922
  },
  "oklch": {
    "l": 0.47454,
    "c": 0.18533,
    "h": 263
  },
  "luminance": 0.10056
}

Semantic roles & 50–950 ramp

primary

#1E51C2

secondary

#D0B16C

accent

#B738F0

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #1E51C2

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

Preview Lab → · Contrast checker → · Palette generator →