#3A7CB8#3A7CB8

#3A7CB8 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.1% C 0.115 H 248.6°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3A7CB8
RGB	rgb(58, 124, 184)
HSL	hsl(209, 52%, 47%)
HSV	hsv(209, 68%, 72%)
CMYK	cmyk(68.5%, 32.6%, 0%, 27.8%)
CIE-LAB	lab(50.42, -1.30, -37.73)
CIE-LCH	lch(50.42, 37.75, 268.02°)
OKLab	oklab(57.13% -0.0419 -0.1069)
OKLCH	oklch(57.13% 0.115 248.6)
XYZ	xyz(17.6011, 18.7737, 48.0342)
Luminance	0.1878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7CB8 #B8763A

analogous

#3AB8B5 #3A7CB8 #3A3DB8

triadic

#3A7CB8 #B83A7C #7CB83A

tetradic

#3A7CB8 #B53AB8 #B8763A #3DB83A

square

#3A7CB8 #B53AB8 #B8763A #3DB83A

split-complementary

#3A7CB8 #B83A3D #B8B53A

monochromatic

#1D3D5B #2B5D89 #3A7CB8 #629ACD #90B8DC

Accessibility & contrast

On white

4.42

#3A7CB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#3A7CB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7CB8

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7CB8	#FFFFFF	#000000	##000000
##3A7CB8	1.00	4.42	4.76	4.76
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617FBB

Deuteranopia (green-blind)

#5073B7

Tritanopia (blue-blind)

#008A91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a7cb8;
/* rgb */ color: rgb(58, 124, 184);
/* oklch */ color: oklch(57.1% 0.115 248.6);

Tailwind

colors: {
  custom: {
    50: '#7ea1cd',
    500: '#3a7cb8',
    950: '#000000',
  },
}

SCSS

$custom: #3a7cb8;
$custom-light: #7ea1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7cb8",
  "rgb": {
    "r": 58,
    "g": 124,
    "b": 184
  },
  "hsl": {
    "h": 208.571,
    "s": 52.066,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57125,
    "c": 0.11479,
    "h": 248.6
  },
  "luminance": 0.18776
}

Semantic roles & 50–950 ramp

primary

#3A7CB8

secondary

#C7A587

accent

#904CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3A7CB8

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

Preview Lab → · Contrast checker → · Palette generator →