#3A7BBC#3A7BBC

#3A7BBC is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.1% C 0.121 H 250.8°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3A7BBC
RGB	rgb(58, 123, 188)
HSL	hsl(210, 53%, 48%)
HSV	hsv(210, 69%, 74%)
CMYK	cmyk(69.1%, 34.6%, 0%, 26.3%)
CIE-LAB	lab(50.33, 0.71, -40.18)
CIE-LCH	lch(50.33, 40.19, 271.02°)
OKLab	oklab(57.12% -0.0398 -0.114)
OKLCH	oklch(57.12% 0.121 250.8)
XYZ	xyz(17.9016, 18.6944, 50.2321)
Luminance	0.1870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7BBC #BC7B3A

analogous

#3ABCBC #3A7BBC #3A3ABC

triadic

#3A7BBC #BC3A7B #7BBC3A

tetradic

#3A7BBC #BC3ABC #BC7B3A #3ABC3A

square

#3A7BBC #BC3ABC #BC7B3A #3ABC3A

split-complementary

#3A7BBC #BC3A3A #BCBC3A

monochromatic

#1D3E5E #2C5C8D #3A7BBC #649ACF #93B8DE

Accessibility & contrast

On white

4.43

#3A7BBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#3A7BBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7BBC

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7BBC	#FFFFFF	#000000	##000000
##3A7BBC	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7FBF

Deuteranopia (green-blind)

#4C72BB

Tritanopia (blue-blind)

#008A93

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a7bbc;
/* rgb */ color: rgb(58, 123, 188);
/* oklch */ color: oklch(57.1% 0.121 250.8);

Tailwind

colors: {
  custom: {
    50: '#7fa0d0',
    500: '#3a7bbc',
    950: '#000000',
  },
}

SCSS

$custom: #3a7bbc;
$custom-light: #7fa0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7bbc",
  "rgb": {
    "r": 58,
    "g": 123,
    "b": 188
  },
  "hsl": {
    "h": 210,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.57117,
    "c": 0.12077,
    "h": 250.8
  },
  "luminance": 0.18696
}

Semantic roles & 50–950 ramp

primary

#3A7BBC

secondary

#C9A989

accent

#944CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3A7BBC

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

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