#174F71#174F71

#174F71 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 40.9% C 0.080 H 240.1°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#174F71
RGB	rgb(23, 79, 113)
HSL	hsl(203, 66%, 27%)
HSV	hsv(203, 80%, 44%)
CMYK	cmyk(79.6%, 30.1%, 0%, 55.7%)
CIE-LAB	lab(31.73, -5.23, -24.64)
CIE-LCH	lch(31.73, 25.19, 258.02°)
OKLab	oklab(40.88% -0.0401 -0.0697)
OKLCH	oklch(40.88% 0.08 240.1)
XYZ	xyz(6.1288, 6.9657, 16.6411)
Luminance	0.0697 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F71 #713917

analogous

#177166 #174F71 #172271

triadic

#174F71 #71174F #4F7117

tetradic

#174F71 #661771 #713917 #227117

square

#174F71 #661771 #713917 #227117

split-complementary

#174F71 #711722 #716617

monochromatic

#051219 #0D2B3E #174F71 #2173A4 #2E96D4

Accessibility & contrast

On white

8.77

#174F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#174F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F71

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F71	#FFFFFF	#000000	##FFFFFF
##174F71	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4F73

Deuteranopia (green-blind)

#334770

Tritanopia (blue-blind)

#00585B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #174f71;
/* rgb */ color: rgb(23, 79, 113);
/* oklch */ color: oklch(40.9% 0.080 240.1);

Tailwind

colors: {
  custom: {
    50: '#63809a',
    500: '#174f71',
    950: '#000000',
  },
}

SCSS

$custom: #174f71;
$custom-light: #63809a;
$custom-dark: #000000;

JSON

{
  "hex": "#174f71",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 113
  },
  "hsl": {
    "h": 202.667,
    "s": 66.176,
    "l": 26.667
  },
  "oklch": {
    "l": 0.40882,
    "c": 0.0804,
    "h": 240.1
  },
  "luminance": 0.06966
}

Semantic roles & 50–950 ramp

primary

#174F71

secondary

#A7653D

accent

#7F3FE9

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #174F71

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

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