#42889B#42889B

#42889B is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 58.9% C 0.076 H 218.0°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#42889B
RGB	rgb(66, 136, 155)
HSL	hsl(193, 40%, 43%)
HSV	hsv(193, 57%, 61%)
CMYK	cmyk(57.4%, 12.3%, 0%, 39.2%)
CIE-LAB	lab(53.09, -16.30, -16.81)
CIE-LCH	lch(53.09, 23.41, 225.89°)
OKLab	oklab(58.92% -0.0597 -0.0466)
OKLCH	oklch(58.92% 0.076 218)
XYZ	xyz(16.9650, 21.1315, 34.1887)
Luminance	0.2113 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42889B #9B5542

analogous

#429B81 #42889B #425B9B

triadic

#42889B #9B4288 #889B42

tetradic

#42889B #81429B #9B5542 #5B9B42

square

#42889B #81429B #9B5542 #5B9B42

split-complementary

#42889B #9B425B #9B8142

monochromatic

#1D3D45 #306270 #42889B #5FA7BB #8ABFCD

Accessibility & contrast

On white

4.02

#42889B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#42889B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42889B

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42889B	#FFFFFF	#000000	##000000
##42889B	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C849C

Deuteranopia (green-blind)

#6E7B9B

Tritanopia (blue-blind)

#008F8E

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #42889b;
/* rgb */ color: rgb(66, 136, 155);
/* oklch */ color: oklch(58.9% 0.076 218.0);

Tailwind

colors: {
  custom: {
    50: '#7eaab8',
    500: '#42889b',
    950: '#000000',
  },
}

SCSS

$custom: #42889b;
$custom-light: #7eaab8;
$custom-dark: #000000;

JSON

{
  "hex": "#42889b",
  "rgb": {
    "r": 66,
    "g": 136,
    "b": 155
  },
  "hsl": {
    "h": 192.809,
    "s": 40.271,
    "l": 43.333
  },
  "oklch": {
    "l": 0.58917,
    "c": 0.07576,
    "h": 218
  },
  "luminance": 0.21133
}

Semantic roles & 50–950 ramp

primary

#42889B

secondary

#B88C81

accent

#7158D0

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1011

muted

#7C7F80

Preview Lab

Preview with #42889B

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

Preview Lab → · Contrast checker → · Palette generator →