#377DAF#377DAF

#377DAF is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.8% C 0.104 H 242.8°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#377DAF
RGBrgb(55, 125, 175)
HSLhsl(205, 52%, 45%)
HSVhsv(205, 69%, 69%)
CMYKcmyk(68.6%, 28.6%, 0%, 31.4%)
CIE-LABlab(50.18, -5.54, -32.92)
CIE-LCHlch(50.18, 33.38, 260.44°)
OKLaboklab(56.77% -0.0477 -0.0929)
OKLCHoklch(56.77% 0.104 242.8)
XYZxyz(16.6441, 18.5728, 43.2569)
Luminance0.1857 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#377DAF #AF6937
analogous
#37AFA5 #377DAF #3741AF
triadic
#377DAF #AF377D #7DAF37
tetradic
#377DAF #A537AF #AF6937 #41AF37
square
#377DAF #A537AF #AF6937 #41AF37
split-complementary
#377DAF #AF3741 #AFA537
monochromatic
#1A3A52 #285C80 #377DAF #599BCB #87B7D9

Accessibility & contrast

On white

4.45
#377DAF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.72
#377DAF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DAF
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##377DAF#FFFFFF#000000##000000
##377DAF1.004.454.724.72
#FFFFFF4.451.0021.0021.00
#0000004.7221.001.001.00
##0000004.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#667EB1
Deuteranopia (green-blind)
#5672AE
Tritanopia (blue-blind)
#00898E
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #377daf;
/* rgb */ color: rgb(55, 125, 175);
/* oklch */ color: oklch(56.8% 0.104 242.8);
Tailwind
colors: {
  custom: {
    50: '#7ba2c7',
    500: '#377daf',
    950: '#000000',
  },
}
SCSS
$custom: #377daf;
$custom-light: #7ba2c7;
$custom-dark: #000000;
JSON
{
  "hex": "#377daf",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 175
  },
  "hsl": {
    "h": 205,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.56766,
    "c": 0.10442,
    "h": 242.8
  },
  "luminance": 0.18575
}

Semantic roles & 50–950 ramp

primary
#377DAF
secondary
#C39B7F
accent
#884CDC
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0F13
muted
#7C7E82

Preview Lab

Preview with #377DAF

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

Preview Lab → · Contrast checker → · Palette generator →

#377DAF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva