#42898B#42898B

#42898B is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.5% C 0.071 H 197.8°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#42898B
RGB	rgb(66, 137, 139)
HSL	hsl(182, 36%, 40%)
HSV	hsv(182, 53%, 55%)
CMYK	cmyk(52.5%, 1.4%, 0%, 45.5%)
CIE-LAB	lab(52.85, -21.57, -7.90)
CIE-LCH	lch(52.85, 22.97, 200.11°)
OKLab	oklab(58.54% -0.0678 -0.0218)
OKLCH	oklch(58.54% 0.071 197.8)
XYZ	xyz(15.8507, 20.9122, 27.6222)
Luminance	0.2091 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42898B #8B4442

analogous

#428B69 #42898B #42648B

triadic

#42898B #8B4289 #898B42

tetradic

#42898B #69428B #8B4442 #648B42

square

#42898B #69428B #8B4442 #648B42

split-complementary

#42898B #8B4264 #8B6942

monochromatic

#1B3738 #2E6062 #42898B #5AAEB1 #83C2C4

Accessibility & contrast

On white

4.05

#42898B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#42898B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42898B

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42898B	#FFFFFF	#000000	##000000
##42898B	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81838B

Deuteranopia (green-blind)

#757A8C

Tritanopia (blue-blind)

#0A8D89

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #42898b;
/* rgb */ color: rgb(66, 137, 139);
/* oklch */ color: oklch(58.5% 0.071 197.8);

Tailwind

colors: {
  custom: {
    50: '#7dabac',
    500: '#42898b',
    950: '#000000',
  },
}

SCSS

$custom: #42898b;
$custom-light: #7dabac;
$custom-dark: #000000;

JSON

{
  "hex": "#42898b",
  "rgb": {
    "r": 66,
    "g": 137,
    "b": 139
  },
  "hsl": {
    "h": 181.644,
    "s": 35.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.58543,
    "c": 0.07118,
    "h": 197.8
  },
  "luminance": 0.20914
}

Semantic roles & 50–950 ramp

primary

#42898B

secondary

#AF7B7A

accent

#5F5CCC

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A1010

muted

#7C7F7F

Preview Lab

Preview with #42898B

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

Preview Lab → · Contrast checker → · Palette generator →