#3A7FE1#3A7FE1

#3A7FE1 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.3% C 0.165 H 257.7°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#3A7FE1
RGB	rgb(58, 127, 225)
HSL	hsl(215, 74%, 55%)
HSV	hsv(215, 74%, 88%)
CMYK	cmyk(74.2%, 43.6%, 0%, 11.8%)
CIE-LAB	lab(53.51, 11.62, -56.13)
CIE-LCH	lch(53.51, 57.33, 281.70°)
OKLab	oklab(60.25% -0.035 -0.1607)
OKLCH	oklch(60.25% 0.165 257.7)
XYZ	xyz(22.9199, 21.5119, 74.1638)
Luminance	0.2152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7FE1 #E19C3A

analogous

#3AD2E1 #3A7FE1 #493AE1

triadic

#3A7FE1 #E13A7F #7FE13A

tetradic

#3A7FE1 #E13AD2 #E19C3A #3AE149

square

#3A7FE1 #E13AD2 #E19C3A #3AE149

split-complementary

#3A7FE1 #E1493A #D2E13A

monochromatic

#15468B #1D61C0 #3A7FE1 #6FA2E9 #A4C4F1

Accessibility & contrast

On white

3.96

#3A7FE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#3A7FE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7FE1

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7FE1	#FFFFFF	#000000	##000000
##3A7FE1	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E88E5

Deuteranopia (green-blind)

#2D79DF

Tritanopia (blue-blind)

#0096A5

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3a7fe1;
/* rgb */ color: rgb(58, 127, 225);
/* oklch */ color: oklch(60.3% 0.165 257.7);

Tailwind

colors: {
  custom: {
    50: '#86a3eb',
    500: '#3a7fe1',
    950: '#000000',
  },
}

SCSS

$custom: #3a7fe1;
$custom-light: #86a3eb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7fe1",
  "rgb": {
    "r": 58,
    "g": 127,
    "b": 225
  },
  "hsl": {
    "h": 215.21,
    "s": 73.568,
    "l": 55.49
  },
  "oklch": {
    "l": 0.60253,
    "c": 0.1645,
    "h": 257.7
  },
  "luminance": 0.21515
}

Semantic roles & 50–950 ramp

primary

#3A7FE1

secondary

#DEC199

accent

#A438F0

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #3A7FE1

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

Preview Lab → · Contrast checker → · Palette generator →