#3A7BBD#3A7BBD

#3A7BBD is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.2% C 0.122 H 251.1°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX#3A7BBD
RGBrgb(58, 123, 189)
HSLhsl(210, 53%, 48%)
HSVhsv(210, 69%, 74%)
CMYKcmyk(69.3%, 34.9%, 0%, 25.9%)
CIE-LABlab(50.38, 1.07, -40.67)
CIE-LCHlch(50.38, 40.69, 271.50°)
OKLaboklab(57.17% -0.0395 -0.1155)
OKLCHoklch(57.17% 0.122 251.1)
XYZxyz(18.0098, 18.7377, 50.8018)
Luminance0.1874 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A7BBD #BD7C3A
analogous
#3ABCBD #3A7BBD #3B3ABD
triadic
#3A7BBD #BD3A7B #7BBD3A
tetradic
#3A7BBD #BD3ABC #BD7C3A #3ABD3B
square
#3A7BBD #BD3ABC #BD7C3A #3ABD3B
split-complementary
#3A7BBD #BD3B3A #BCBD3A
monochromatic
#1D3E5F #2C5D8E #3A7BBD #659AD0 #93B8DE

Accessibility & contrast

On white

4.42
#3A7BBD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.75
#3A7BBD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7BBD
4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A7BBD#FFFFFF#000000##000000
##3A7BBD1.004.424.754.75
#FFFFFF4.421.0021.0021.00
#0000004.7521.001.001.00
##0000004.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#5D7FC0
Deuteranopia (green-blind)
#4B72BC
Tritanopia (blue-blind)
#008A93
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #3a7bbd;
/* rgb */ color: rgb(58, 123, 189);
/* oklch */ color: oklch(57.2% 0.122 251.1);
Tailwind
colors: {
  custom: {
    50: '#7fa0d1',
    500: '#3a7bbd',
    950: '#000000',
  },
}
SCSS
$custom: #3a7bbd;
$custom-light: #7fa0d1;
$custom-dark: #000000;
JSON
{
  "hex": "#3a7bbd",
  "rgb": {
    "r": 58,
    "g": 123,
    "b": 189
  },
  "hsl": {
    "h": 210.229,
    "s": 53.036,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57174,
    "c": 0.12204,
    "h": 251.1
  },
  "luminance": 0.1874
}

Semantic roles & 50–950 ramp

primary
#3A7BBD
secondary
#C9AA8A
accent
#944BDC
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82

Preview Lab

Preview with #3A7BBD

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

Preview Lab → · Contrast checker → · Palette generator →

#3A7BBD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva