#3A7DB7#3A7DB7

#3A7DB7 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.3% C 0.113 H 247.4°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3A7DB7
RGB	rgb(58, 125, 183)
HSL	hsl(208, 52%, 47%)
HSV	hsv(208, 68%, 72%)
CMYK	cmyk(68.3%, 31.7%, 0%, 28.2%)
CIE-LAB	lab(50.67, -2.25, -36.77)
CIE-LCH	lch(50.67, 36.84, 266.49°)
OKLab	oklab(57.3% -0.0432 -0.104)
OKLCH	oklch(57.3% 0.113 247.4)
XYZ	xyz(17.6226, 18.9838, 47.5261)
Luminance	0.1899 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7DB7 #B7743A

analogous

#3AB7B3 #3A7DB7 #3A3FB7

triadic

#3A7DB7 #B73A7D #7DB73A

tetradic

#3A7DB7 #B33AB7 #B7743A #3FB73A

square

#3A7DB7 #B33AB7 #B7743A #3FB73A

split-complementary

#3A7DB7 #B73A3F #B7B33A

monochromatic

#1D3E5A #2B5D89 #3A7DB7 #619BCD #90B8DC

Accessibility & contrast

On white

4.38

#3A7DB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#3A7DB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7DB7

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7DB7	#FFFFFF	#000000	##000000
##3A7DB7	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637FBA

Deuteranopia (green-blind)

#5273B6

Tritanopia (blue-blind)

#008B92

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3a7db7;
/* rgb */ color: rgb(58, 125, 183);
/* oklch */ color: oklch(57.3% 0.113 247.4);

Tailwind

colors: {
  custom: {
    50: '#7ea2cd',
    500: '#3a7db7',
    950: '#000000',
  },
}

SCSS

$custom: #3a7db7;
$custom-light: #7ea2cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7db7",
  "rgb": {
    "r": 58,
    "g": 125,
    "b": 183
  },
  "hsl": {
    "h": 207.84,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.57303,
    "c": 0.11267,
    "h": 247.4
  },
  "luminance": 0.18986
}

Semantic roles & 50–950 ramp

primary

#3A7DB7

secondary

#C7A486

accent

#8F4CDB

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #3A7DB7

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

Preview Lab → · Contrast checker → · Palette generator →