#3A7BCC#3A7BCC

#3A7BCC is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 58.1% C 0.141 H 255.3°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3A7BCC
RGB	rgb(58, 123, 204)
HSL	hsl(213, 59%, 51%)
HSV	hsv(213, 72%, 80%)
CMYK	cmyk(71.6%, 39.7%, 0%, 20%)
CIE-LAB	lab(51.18, 6.45, -47.98)
CIE-LCH	lch(51.18, 48.42, 277.66°)
OKLab	oklab(58.06% -0.0358 -0.1369)
OKLCH	oklch(58.06% 0.141 255.3)
XYZ	xyz(19.7230, 19.4229, 59.8246)
Luminance	0.1943 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7BCC #CC8B3A

analogous

#3AC4CC #3A7BCC #423ACC

triadic

#3A7BCC #CC3A7B #7BCC3A

tetradic

#3A7BCC #CC3AC4 #CC8B3A #3ACC42

square

#3A7BCC #CC3AC4 #CC8B3A #3ACC42

split-complementary

#3A7BCC #CC423A #C4CC3A

monochromatic

#1D416F #295EA0 #3A7BCC #6B9CD9 #9BBCE5

Accessibility & contrast

On white

4.30

#3A7BCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#3A7BCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7BCC

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7BCC	#FFFFFF	#000000	##000000
##3A7BCC	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5581CF

Deuteranopia (green-blind)

#3E74CA

Tritanopia (blue-blind)

#008E99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3a7bcc;
/* rgb */ color: rgb(58, 123, 204);
/* oklch */ color: oklch(58.1% 0.141 255.3);

Tailwind

colors: {
  custom: {
    50: '#82a0dc',
    500: '#3a7bcc',
    950: '#000000',
  },
}

SCSS

$custom: #3a7bcc;
$custom-light: #82a0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7bcc",
  "rgb": {
    "r": 58,
    "g": 123,
    "b": 204
  },
  "hsl": {
    "h": 213.288,
    "s": 58.871,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58059,
    "c": 0.14147,
    "h": 255.3
  },
  "luminance": 0.19425
}

Semantic roles & 50–950 ramp

primary

#3A7BCC

secondary

#D1B491

accent

#9C46E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A7BCC

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

Preview Lab → · Contrast checker → · Palette generator →