#3A7FE5#3A7FE5

#3A7FE5 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.5% C 0.170 H 258.4°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3A7FE5
RGB	rgb(58, 127, 229)
HSL	hsl(216, 77%, 56%)
HSV	hsv(216, 75%, 90%)
CMYK	cmyk(74.7%, 44.5%, 0%, 10.2%)
CIE-LAB	lab(53.74, 13.08, -58.00)
CIE-LCH	lch(53.74, 59.45, 282.71°)
OKLab	oklab(60.51% -0.0343 -0.1662)
OKLCH	oklch(60.51% 0.17 258.4)
XYZ	xyz(23.4720, 21.7328, 77.0713)
Luminance	0.2173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7FE5 #E5A03A

analogous

#3AD5E5 #3A7FE5 #4B3AE5

triadic

#3A7FE5 #E53A7F #7FE53A

tetradic

#3A7FE5 #E53AD5 #E5A03A #3AE54B

square

#3A7FE5 #E53AD5 #E5A03A #3AE54B

split-complementary

#3A7FE5 #E54B3A #D5E53A

monochromatic

#134691 #1A60C7 #3A7FE5 #70A2EC #A6C5F3

Accessibility & contrast

On white

3.93

#3A7FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#3A7FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7FE5

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7FE5	#FFFFFF	#000000	##000000
##3A7FE5	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A89E9

Deuteranopia (green-blind)

#2679E3

Tritanopia (blue-blind)

#0097A7

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3a7fe5;
/* rgb */ color: rgb(58, 127, 229);
/* oklch */ color: oklch(60.5% 0.170 258.4);

Tailwind

colors: {
  custom: {
    50: '#86a3ee',
    500: '#3a7fe5',
    950: '#000000',
  },
}

SCSS

$custom: #3a7fe5;
$custom-light: #86a3ee;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7fe5",
  "rgb": {
    "r": 58,
    "g": 127,
    "b": 229
  },
  "hsl": {
    "h": 215.789,
    "s": 76.682,
    "l": 56.275
  },
  "oklch": {
    "l": 0.60512,
    "c": 0.1697,
    "h": 258.4
  },
  "luminance": 0.21735
}

Semantic roles & 50–950 ramp

primary

#3A7FE5

secondary

#E1C49A

accent

#A635F3

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #3A7FE5

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

Preview Lab → · Contrast checker → · Palette generator →