#3A7BB5#3A7BB5

#3A7BB5 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.7% C 0.112 H 248.1°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#3A7BB5
RGBrgb(58, 123, 181)
HSLhsl(208, 51%, 47%)
HSVhsv(208, 68%, 71%)
CMYKcmyk(68%, 32%, 0%, 29%)
CIE-LABlab(49.98, -1.76, -36.70)
CIE-LCHlch(49.98, 36.74, 267.25°)
OKLaboklab(56.73% -0.0418 -0.1039)
OKLCHoklch(56.73% 0.112 248.1)
XYZxyz(17.1652, 18.3999, 46.3540)
Luminance0.1840 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A7BB5 #B5743A
analogous
#3AB5B2 #3A7BB5 #3A3EB5
triadic
#3A7BB5 #B53A7B #7BB53A
tetradic
#3A7BB5 #B23AB5 #B5743A #3EB53A
square
#3A7BB5 #B23AB5 #B5743A #3EB53A
split-complementary
#3A7BB5 #B53A3E #B5B23A
monochromatic
#1C3C58 #2B5C87 #3A7BB5 #6099CC #8EB7DB

Accessibility & contrast

On white

4.49
#3A7BB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.68
#3A7BB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7BB5
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A7BB5#FFFFFF#000000##000000
##3A7BB51.004.494.684.68
#FFFFFF4.491.0021.0021.00
#0000004.6821.001.001.00
##0000004.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#617DB7
Deuteranopia (green-blind)
#5072B4
Tritanopia (blue-blind)
#008990
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #3a7bb5;
/* rgb */ color: rgb(58, 123, 181);
/* oklch */ color: oklch(56.7% 0.112 248.1);
Tailwind
colors: {
  custom: {
    50: '#7ea0cb',
    500: '#3a7bb5',
    950: '#000000',
  },
}
SCSS
$custom: #3a7bb5;
$custom-light: #7ea0cb;
$custom-dark: #000000;
JSON
{
  "hex": "#3a7bb5",
  "rgb": {
    "r": 58,
    "g": 123,
    "b": 181
  },
  "hsl": {
    "h": 208.293,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.56727,
    "c": 0.11196,
    "h": 248.1
  },
  "luminance": 0.18402
}

Semantic roles & 50–950 ramp

primary
#3A7BB5
secondary
#C6A485
accent
#904DDB
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #3A7BB5

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

Preview Lab → · Contrast checker → · Palette generator →

#3A7BB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva