#42909B#42909B

#42909B is a mid, moderate teal. Relative luminance 0.235; OKLCH L 60.9% C 0.078 H 207.7°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#42909B
RGB	rgb(66, 144, 155)
HSL	hsl(187, 40%, 43%)
HSV	hsv(187, 57%, 61%)
CMYK	cmyk(57.4%, 7.1%, 0%, 39.2%)
CIE-LAB	lab(55.55, -20.57, -13.08)
CIE-LCH	lch(55.55, 24.38, 212.45°)
OKLab	oklab(60.89% -0.0689 -0.0362)
OKLCH	oklch(60.89% 0.078 207.7)
XYZ	xyz(18.1340, 23.4696, 34.5784)
Luminance	0.2347 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42909B #9B4D42

analogous

#429B79 #42909B #42639B

triadic

#42909B #9B4290 #909B42

tetradic

#42909B #79429B #9B4D42 #639B42

square

#42909B #79429B #9B4D42 #639B42

split-complementary

#42909B #9B4263 #9B7942

monochromatic

#1D4045 #306870 #42909B #5FB0BB #8AC5CD

Accessibility & contrast

On white

3.69

#42909B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#42909B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42909B

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42909B	#FFFFFF	#000000	##000000
##42909B	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858B9C

Deuteranopia (green-blind)

#77819B

Tritanopia (blue-blind)

#009693

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #42909b;
/* rgb */ color: rgb(66, 144, 155);
/* oklch */ color: oklch(60.9% 0.078 207.7);

Tailwind

colors: {
  custom: {
    50: '#7fb0b8',
    500: '#42909b',
    950: '#000000',
  },
}

SCSS

$custom: #42909b;
$custom-light: #7fb0b8;
$custom-dark: #000000;

JSON

{
  "hex": "#42909b",
  "rgb": {
    "r": 66,
    "g": 144,
    "b": 155
  },
  "hsl": {
    "h": 187.416,
    "s": 40.271,
    "l": 43.333
  },
  "oklch": {
    "l": 0.6089,
    "c": 0.07784,
    "h": 207.7
  },
  "luminance": 0.23471
}

Semantic roles & 50–950 ramp

primary

#42909B

secondary

#B88781

accent

#6758D0

background

#F8FAFB

surface

#EFF5F6

border

#CACFD0

text

#0B1011

muted

#7C7F80

Preview Lab

Preview with #42909B

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

Preview Lab → · Contrast checker → · Palette generator →