#3A7FB1#3A7FB1

#3A7FB1 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.5% C 0.104 H 243.0°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3A7FB1
RGB	rgb(58, 127, 177)
HSL	hsl(205, 51%, 46%)
HSV	hsv(205, 67%, 69%)
CMYK	cmyk(67.2%, 28.2%, 0%, 30.6%)
CIE-LAB	lab(50.98, -5.52, -32.82)
CIE-LCH	lch(50.98, 33.28, 260.45°)
OKLab	oklab(57.46% -0.0472 -0.0925)
OKLCH	oklch(57.46% 0.104 243)
XYZ	xyz(17.2671, 19.2508, 44.3922)
Luminance	0.1925 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7FB1 #B16C3A

analogous

#3AB1A7 #3A7FB1 #3A43B1

triadic

#3A7FB1 #B13A7F #7FB13A

tetradic

#3A7FB1 #A73AB1 #B16C3A #43B13A

square

#3A7FB1 #A73AB1 #B16C3A #43B13A

split-complementary

#3A7FB1 #B13A43 #B1A73A

monochromatic

#1C3D55 #2B5E83 #3A7FB1 #5E9DCA #8CB9D9

Accessibility & contrast

On white

4.33

#3A7FB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#3A7FB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7FB1

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7FB1	#FFFFFF	#000000	##000000
##3A7FB1	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6880B3

Deuteranopia (green-blind)

#5874B0

Tritanopia (blue-blind)

#008B90

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3a7fb1;
/* rgb */ color: rgb(58, 127, 177);
/* oklch */ color: oklch(57.5% 0.104 243.0);

Tailwind

colors: {
  custom: {
    50: '#7da3c8',
    500: '#3a7fb1',
    950: '#000000',
  },
}

SCSS

$custom: #3a7fb1;
$custom-light: #7da3c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7fb1",
  "rgb": {
    "r": 58,
    "g": 127,
    "b": 177
  },
  "hsl": {
    "h": 205.21,
    "s": 50.638,
    "l": 46.078
  },
  "oklch": {
    "l": 0.57455,
    "c": 0.10388,
    "h": 243
  },
  "luminance": 0.19253
}

Semantic roles & 50–950 ramp

primary

#3A7FB1

secondary

#C49E83

accent

#894EDA

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3A7FB1

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

Preview Lab → · Contrast checker → · Palette generator →