#3A7FB7#3A7FB7

#3A7FB7 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.8% C 0.111 H 245.9°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3A7FB7
RGB	rgb(58, 127, 183)
HSL	hsl(207, 52%, 47%)
HSV	hsv(207, 68%, 72%)
CMYK	cmyk(68.3%, 30.6%, 0%, 28.2%)
CIE-LAB	lab(51.26, -3.44, -35.83)
CIE-LCH	lch(51.26, 36.00, 264.52°)
OKLab	oklab(57.77% -0.0453 -0.1013)
OKLCH	oklch(57.77% 0.111 245.9)
XYZ	xyz(17.8783, 19.4953, 47.6113)
Luminance	0.1950 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7FB7 #B7723A

analogous

#3AB7B1 #3A7FB7 #3A41B7

triadic

#3A7FB7 #B73A7F #7FB73A

tetradic

#3A7FB7 #B13AB7 #B7723A #41B73A

square

#3A7FB7 #B13AB7 #B7723A #41B73A

split-complementary

#3A7FB7 #B73A41 #B7B13A

monochromatic

#1D3E5A #2B5F89 #3A7FB7 #619DCD #90BADC

Accessibility & contrast

On white

4.29

#3A7FB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#3A7FB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7FB7

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7FB7	#FFFFFF	#000000	##000000
##3A7FB7	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6681B9

Deuteranopia (green-blind)

#5575B6

Tritanopia (blue-blind)

#008C93

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3a7fb7;
/* rgb */ color: rgb(58, 127, 183);
/* oklch */ color: oklch(57.8% 0.111 245.9);

Tailwind

colors: {
  custom: {
    50: '#7ea3cd',
    500: '#3a7fb7',
    950: '#000000',
  },
}

SCSS

$custom: #3a7fb7;
$custom-light: #7ea3cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7fb7",
  "rgb": {
    "r": 58,
    "g": 127,
    "b": 183
  },
  "hsl": {
    "h": 206.88,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.5777,
    "c": 0.11096,
    "h": 245.9
  },
  "luminance": 0.19497
}

Semantic roles & 50–950 ramp

primary

#3A7FB7

secondary

#C7A386

accent

#8C4CDB

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3A7FB7

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

Preview Lab → · Contrast checker → · Palette generator →