#3A7BE5#3A7BE5

#3A7BE5 is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.7% C 0.174 H 259.8°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3A7BE5
RGB	rgb(58, 123, 229)
HSL	hsl(217, 77%, 56%)
HSV	hsv(217, 75%, 90%)
CMYK	cmyk(74.7%, 46.3%, 0%, 10.2%)
CIE-LAB	lab(52.64, 15.55, -59.76)
CIE-LCH	lch(52.64, 61.75, 284.59°)
OKLab	oklab(59.66% -0.031 -0.1715)
OKLCH	oklch(59.66% 0.174 259.8)
XYZ	xyz(22.9656, 20.7200, 76.9025)
Luminance	0.2072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7BE5 #E5A43A

analogous

#3AD1E5 #3A7BE5 #4F3AE5

triadic

#3A7BE5 #E53A7B #7BE53A

tetradic

#3A7BE5 #E53AD1 #E5A43A #3AE54F

square

#3A7BE5 #E53AD1 #E5A43A #3AE54F

split-complementary

#3A7BE5 #E54F3A #D1E53A

monochromatic

#134391 #1A5CC7 #3A7BE5 #709FEC #A6C3F3

Accessibility & contrast

On white

4.08

#3A7BE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#3A7BE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7BE5

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7BE5	#FFFFFF	#000000	##000000
##3A7BE5	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4286E9

Deuteranopia (green-blind)

#1576E3

Tritanopia (blue-blind)

#0094A5

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3a7be5;
/* rgb */ color: rgb(58, 123, 229);
/* oklch */ color: oklch(59.7% 0.174 259.8);

Tailwind

colors: {
  custom: {
    50: '#87a0ee',
    500: '#3a7be5',
    950: '#000000',
  },
}

SCSS

$custom: #3a7be5;
$custom-light: #87a0ee;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7be5",
  "rgb": {
    "r": 58,
    "g": 123,
    "b": 229
  },
  "hsl": {
    "h": 217.193,
    "s": 76.682,
    "l": 56.275
  },
  "oklch": {
    "l": 0.59664,
    "c": 0.17427,
    "h": 259.8
  },
  "luminance": 0.20723
}

Semantic roles & 50–950 ramp

primary

#3A7BE5

secondary

#E1C69A

accent

#AB35F3

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #3A7BE5

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

Preview Lab → · Contrast checker → · Palette generator →