#3A7FCB#3A7FCB

#3A7FCB is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 58.9% C 0.136 H 253.0°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#3A7FCB
RGB	rgb(58, 127, 203)
HSL	hsl(211, 58%, 51%)
HSV	hsv(211, 71%, 80%)
CMYK	cmyk(71.4%, 37.4%, 0%, 20.4%)
CIE-LAB	lab(52.27, 3.66, -45.67)
CIE-LCH	lch(52.27, 45.82, 274.58°)
OKLab	oklab(58.9% -0.0398 -0.13)
OKLCH	oklch(58.9% 0.136 253)
XYZ	xyz(20.1098, 20.3879, 59.3638)
Luminance	0.2039 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7FCB #CB863A

analogous

#3AC8CB #3A7FCB #3D3ACB

triadic

#3A7FCB #CB3A7F #7FCB3A

tetradic

#3A7FCB #CB3AC8 #CB863A #3ACB3D

square

#3A7FCB #CB3AC8 #CB863A #3ACB3D

split-complementary

#3A7FCB #CB3D3A #C8CB3A

monochromatic

#1D436E #2A619E #3A7FCB #6A9ED8 #9BBEE5

Accessibility & contrast

On white

4.14

#3A7FCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#3A7FCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7FCB

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7FCB	#FFFFFF	#000000	##000000
##3A7FCB	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C84CE

Deuteranopia (green-blind)

#4677C9

Tritanopia (blue-blind)

#00919B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3a7fcb;
/* rgb */ color: rgb(58, 127, 203);
/* oklch */ color: oklch(58.9% 0.136 253.0);

Tailwind

colors: {
  custom: {
    50: '#81a3db',
    500: '#3a7fcb',
    950: '#000000',
  },
}

SCSS

$custom: #3a7fcb;
$custom-light: #81a3db;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7fcb",
  "rgb": {
    "r": 58,
    "g": 127,
    "b": 203
  },
  "hsl": {
    "h": 211.448,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.58895,
    "c": 0.13598,
    "h": 253
  },
  "luminance": 0.2039
}

Semantic roles & 50–950 ramp

primary

#3A7FCB

secondary

#D0B290

accent

#9846E1

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3A7FCB

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

Preview Lab → · Contrast checker → · Palette generator →