#3A7FB5#3A7FB5

#3A7FB5 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.7% C 0.109 H 245.0°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3A7FB5
RGB	rgb(58, 127, 181)
HSL	hsl(206, 51%, 47%)
HSV	hsv(206, 68%, 71%)
CMYK	cmyk(68%, 29.8%, 0%, 29%)
CIE-LAB	lab(51.17, -4.14, -34.83)
CIE-LCH	lch(51.17, 35.08, 263.23°)
OKLab	oklab(57.66% -0.0459 -0.0984)
OKLCH	oklch(57.66% 0.109 245)
XYZ	xyz(17.6716, 19.4126, 46.5228)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7FB5 #B5703A

analogous

#3AB5AD #3A7FB5 #3A42B5

triadic

#3A7FB5 #B53A7F #7FB53A

tetradic

#3A7FB5 #AD3AB5 #B5703A #42B53A

square

#3A7FB5 #AD3AB5 #B5703A #42B53A

split-complementary

#3A7FB5 #B53A42 #B5AD3A

monochromatic

#1C3E58 #2B5E87 #3A7FB5 #609DCC #8EB9DB

Accessibility & contrast

On white

4.30

#3A7FB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#3A7FB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7FB5

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7FB5	#FFFFFF	#000000	##000000
##3A7FB5	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B7

Deuteranopia (green-blind)

#5675B4

Tritanopia (blue-blind)

#008C92

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3a7fb5;
/* rgb */ color: rgb(58, 127, 181);
/* oklch */ color: oklch(57.7% 0.109 245.0);

Tailwind

colors: {
  custom: {
    50: '#7ea3cb',
    500: '#3a7fb5',
    950: '#000000',
  },
}

SCSS

$custom: #3a7fb5;
$custom-light: #7ea3cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7fb5",
  "rgb": {
    "r": 58,
    "g": 127,
    "b": 181
  },
  "hsl": {
    "h": 206.341,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.57664,
    "c": 0.10857,
    "h": 245
  },
  "luminance": 0.19414
}

Semantic roles & 50–950 ramp

primary

#3A7FB5

secondary

#C6A185

accent

#8B4DDB

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3A7FB5

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

Preview Lab → · Contrast checker → · Palette generator →