#42858F#42858F

#42858F is a mid, moderate teal. Relative luminance 0.199; OKLCH L 57.7% C 0.069 H 208.2°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX#42858F
RGBrgb(66, 133, 143)
HSLhsl(188, 37%, 41%)
HSVhsv(188, 54%, 56%)
CMYKcmyk(53.8%, 7%, 0%, 43.9%)
CIE-LABlab(51.74, -18.29, -11.89)
CIE-LCHlch(51.74, 21.81, 213.03°)
OKLaboklab(57.69% -0.0612 -0.0328)
OKLCHoklch(57.69% 0.069 208.2)
XYZxyz(15.5903, 19.9151, 29.0037)
Luminance0.1992 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42858F #8F4C42
analogous
#428F72 #42858F #425E8F
triadic
#42858F #8F4285 #858F42
tetradic
#42858F #72428F #8F4C42 #5E8F42
square
#42858F #72428F #8F4C42 #5E8F42
split-complementary
#42858F #8F425E #8F7242
monochromatic
#1B373B #2F5E65 #42858F #5BA8B3 #85BEC7

Accessibility & contrast

On white

4.21
#42858F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.98
#42858F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42858F
4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42858F#FFFFFF#000000##000000
##42858F1.004.214.984.98
#FFFFFF4.211.0021.0021.00
#0000004.9821.001.001.00
##0000004.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B8190
Deuteranopia (green-blind)
#6F778F
Tritanopia (blue-blind)
#048A88
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #42858f;
/* rgb */ color: rgb(66, 133, 143);
/* oklch */ color: oklch(57.7% 0.069 208.2);
Tailwind
colors: {
  custom: {
    50: '#7da8af',
    500: '#42858f',
    950: '#000000',
  },
}
SCSS
$custom: #42858f;
$custom-light: #7da8af;
$custom-dark: #000000;
JSON
{
  "hex": "#42858f",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 143
  },
  "hsl": {
    "h": 187.792,
    "s": 36.842,
    "l": 40.98
  },
  "oklch": {
    "l": 0.57693,
    "c": 0.06949,
    "h": 208.2
  },
  "luminance": 0.19916
}

Semantic roles & 50–950 ramp

primary
#42858F
secondary
#B1827B
accent
#6A5BCD
background
#F7FAFA
surface
#EEF4F4
border
#C9CECE
text
#0A0F10
muted
#7C7F7F

Preview Lab

Preview with #42858F

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

Preview Lab → · Contrast checker → · Palette generator →

#42858F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva