#3A7BB4#3A7BB4

#3A7BB4 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.7% C 0.111 H 247.7°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3A7BB4
RGB	rgb(58, 123, 180)
HSL	hsl(208, 51%, 47%)
HSV	hsv(208, 68%, 71%)
CMYK	cmyk(67.8%, 31.7%, 0%, 29.4%)
CIE-LAB	lab(49.93, -2.11, -36.20)
CIE-LCH	lch(49.93, 36.26, 266.66°)
OKLab	oklab(56.67% -0.0421 -0.1024)
OKLCH	oklch(56.67% 0.111 247.7)
XYZ	xyz(17.0630, 18.3590, 45.8156)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7BB4 #B4733A

analogous

#3AB4B0 #3A7BB4 #3A3EB4

triadic

#3A7BB4 #B43A7B #7BB43A

tetradic

#3A7BB4 #B03AB4 #B4733A #3EB43A

square

#3A7BB4 #B03AB4 #B4733A #3EB43A

split-complementary

#3A7BB4 #B43A3E #B4B03A

monochromatic

#1C3C57 #2B5B86 #3A7BB4 #6099CC #8EB7DB

Accessibility & contrast

On white

4.49

#3A7BB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#3A7BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7BB4

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7BB4	#FFFFFF	#000000	##000000
##3A7BB4	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627DB6

Deuteranopia (green-blind)

#5171B3

Tritanopia (blue-blind)

#00898F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3a7bb4;
/* rgb */ color: rgb(58, 123, 180);
/* oklch */ color: oklch(56.7% 0.111 247.7);

Tailwind

colors: {
  custom: {
    50: '#7da0ca',
    500: '#3a7bb4',
    950: '#000000',
  },
}

SCSS

$custom: #3a7bb4;
$custom-light: #7da0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7bb4",
  "rgb": {
    "r": 58,
    "g": 123,
    "b": 180
  },
  "hsl": {
    "h": 208.033,
    "s": 51.261,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56673,
    "c": 0.11072,
    "h": 247.7
  },
  "luminance": 0.18361
}

Semantic roles & 50–950 ramp

primary

#3A7BB4

secondary

#C5A385

accent

#8F4DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3A7BB4

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

Preview Lab → · Contrast checker → · Palette generator →