#3A7BBB#3A7BBB

#3A7BBB is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.1% C 0.119 H 250.4°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3A7BBB
RGB	rgb(58, 123, 187)
HSL	hsl(210, 53%, 48%)
HSV	hsv(210, 69%, 73%)
CMYK	cmyk(69%, 34.2%, 0%, 26.7%)
CIE-LAB	lab(50.28, 0.36, -39.69)
CIE-LCH	lch(50.28, 39.69, 270.52°)
OKLab	oklab(57.06% -0.0401 -0.1126)
OKLCH	oklch(57.06% 0.119 250.4)
XYZ	xyz(17.7942, 18.6514, 49.6664)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7BBB #BB7A3A

analogous

#3ABBBA #3A7BBB #3A3BBB

triadic

#3A7BBB #BB3A7B #7BBB3A

tetradic

#3A7BBB #BA3ABB #BB7A3A #3BBB3A

square

#3A7BBB #BA3ABB #BB7A3A #3BBB3A

split-complementary

#3A7BBB #BB3A3B #BBBA3A

monochromatic

#1D3E5E #2C5C8C #3A7BBB #639ACF #92B8DD

Accessibility & contrast

On white

4.44

#3A7BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#3A7BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7BBB

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7BBB	#FFFFFF	#000000	##000000
##3A7BBB	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7EBE

Deuteranopia (green-blind)

#4C72BA

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a7bbb;
/* rgb */ color: rgb(58, 123, 187);
/* oklch */ color: oklch(57.1% 0.119 250.4);

Tailwind

colors: {
  custom: {
    50: '#7fa0d0',
    500: '#3a7bbb',
    950: '#000000',
  },
}

SCSS

$custom: #3a7bbb;
$custom-light: #7fa0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7bbb",
  "rgb": {
    "r": 58,
    "g": 123,
    "b": 187
  },
  "hsl": {
    "h": 209.767,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.5706,
    "c": 0.11949,
    "h": 250.4
  },
  "luminance": 0.18653
}

Semantic roles & 50–950 ramp

primary

#3A7BBB

secondary

#C8A888

accent

#934CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3A7BBB

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

Preview Lab → · Contrast checker → · Palette generator →