#174E70#174E70

#174E70 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.6% C 0.080 H 240.5°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#174E70
RGB	rgb(23, 78, 112)
HSL	hsl(203, 66%, 26%)
HSV	hsv(203, 79%, 44%)
CMYK	cmyk(79.5%, 30.4%, 0%, 56.1%)
CIE-LAB	lab(31.35, -4.98, -24.61)
CIE-LCH	lch(31.35, 25.11, 258.55°)
OKLab	oklab(40.56% -0.0394 -0.0696)
OKLCH	oklch(40.56% 0.08 240.5)
XYZ	xyz(6.0012, 6.8001, 16.3224)
Luminance	0.0680 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E70 #703917

analogous

#177066 #174E70 #172270

triadic

#174E70 #70174E #4E7017

tetradic

#174E70 #661770 #703917 #227017

square

#174E70 #661770 #703917 #227017

split-complementary

#174E70 #701722 #706617

monochromatic

#051219 #0D2B3D #174E70 #2171A3 #2D94D4

Accessibility & contrast

On white

8.90

#174E70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#174E70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E70

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E70	#FFFFFF	#000000	##FFFFFF
##174E70	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4E72

Deuteranopia (green-blind)

#32466F

Tritanopia (blue-blind)

#00565A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #174e70;
/* rgb */ color: rgb(23, 78, 112);
/* oklch */ color: oklch(40.6% 0.080 240.5);

Tailwind

colors: {
  custom: {
    50: '#637f99',
    500: '#174e70',
    950: '#000000',
  },
}

SCSS

$custom: #174e70;
$custom-light: #637f99;
$custom-dark: #000000;

JSON

{
  "hex": "#174e70",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 112
  },
  "hsl": {
    "h": 202.921,
    "s": 65.926,
    "l": 26.471
  },
  "oklch": {
    "l": 0.40563,
    "c": 0.07999,
    "h": 240.5
  },
  "luminance": 0.06801
}

Semantic roles & 50–950 ramp

primary

#174E70

secondary

#A6653D

accent

#803FE9

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #174E70

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

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