#42738E#42738E

#42738E is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.2% C 0.068 H 234.2°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#42738E
RGB	rgb(66, 115, 142)
HSL	hsl(201, 37%, 41%)
HSV	hsv(201, 54%, 56%)
CMYK	cmyk(53.5%, 19%, 0%, 44.3%)
CIE-LAB	lab(46.14, -8.53, -19.83)
CIE-LCH	lch(46.14, 21.58, 246.72°)
OKLab	oklab(53.21% -0.0398 -0.0552)
OKLCH	oklch(53.21% 0.068 234.2)
XYZ	xyz(13.2582, 15.3716, 27.8543)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42738E #8E5D42

analogous

#428E83 #42738E #424D8E

triadic

#42738E #8E4273 #738E42

tetradic

#42738E #83428E #8E5D42 #4D8E42

square

#42738E #83428E #8E5D42 #4D8E42

split-complementary

#42738E #8E424D #8E8342

monochromatic

#1B2F3A #2F5164 #42738E #5B93B3 #84AFC6

Accessibility & contrast

On white

5.15

#42738E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#42738E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42738E

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42738E	#FFFFFF	#000000	##FFFFFF
##42738E	1.00	5.15	4.07	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66728F

Deuteranopia (green-blind)

#5C6A8E

Tritanopia (blue-blind)

#147A7C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #42738e;
/* rgb */ color: rgb(66, 115, 142);
/* oklch */ color: oklch(53.2% 0.068 234.2);

Tailwind

colors: {
  custom: {
    50: '#7c9baf',
    500: '#42738e',
    950: '#000000',
  },
}

SCSS

$custom: #42738e;
$custom-light: #7c9baf;
$custom-dark: #000000;

JSON

{
  "hex": "#42738e",
  "rgb": {
    "r": 66,
    "g": 115,
    "b": 142
  },
  "hsl": {
    "h": 201.316,
    "s": 36.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.53208,
    "c": 0.06804,
    "h": 234.2
  },
  "luminance": 0.15373
}

Semantic roles & 50–950 ramp

primary

#42738E

secondary

#B18E7B

accent

#845BCD

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0E10

muted

#7C7E7F

Preview Lab

Preview with #42738E

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

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