#174D80#174D80

#174D80 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.3% C 0.102 H 250.8°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#174D80
RGB	rgb(23, 77, 128)
HSL	hsl(209, 70%, 30%)
HSV	hsv(209, 82%, 50%)
CMYK	cmyk(82%, 39.8%, 0%, 49.8%)
CIE-LAB	lab(31.91, 2.07, -33.70)
CIE-LCH	lch(31.91, 33.76, 273.52°)
OKLab	oklab(41.3% -0.0334 -0.0962)
OKLCH	oklch(41.3% 0.102 250.8)
XYZ	xyz(6.9020, 7.0476, 21.4144)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174D80 #804A17

analogous

#17807F #174D80 #171980

triadic

#174D80 #80174D #4D8017

tetradic

#174D80 #7F1780 #804A17 #198017

square

#174D80 #7F1780 #804A17 #198017

split-complementary

#174D80 #801719 #807F17

monochromatic

#05101A #0E2E4C #174D80 #206CB4 #368BDB

Accessibility & contrast

On white

8.72

#174D80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#174D80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174D80

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174D80	#FFFFFF	#000000	##FFFFFF
##174D80	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355082

Deuteranopia (green-blind)

#24477F

Tritanopia (blue-blind)

#005960

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #174d80;
/* rgb */ color: rgb(23, 77, 128);
/* oklch */ color: oklch(41.3% 0.102 250.8);

Tailwind

colors: {
  custom: {
    50: '#667ea5',
    500: '#174d80',
    950: '#000000',
  },
}

SCSS

$custom: #174d80;
$custom-light: #667ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#174d80",
  "rgb": {
    "r": 23,
    "g": 77,
    "b": 128
  },
  "hsl": {
    "h": 209.143,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.41301,
    "c": 0.10183,
    "h": 250.8
  },
  "luminance": 0.07048
}

Semantic roles & 50–950 ramp

primary

#174D80

secondary

#B4783E

accent

#913BEC

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #174D80

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

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