#174AB4#174AB4

#174AB4 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.7% C 0.177 H 262.4°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#174AB4
RGB	rgb(23, 74, 180)
HSL	hsl(221, 77%, 40%)
HSV	hsv(221, 87%, 71%)
CMYK	cmyk(87.2%, 58.9%, 0%, 29.4%)
CIE-LAB	lab(34.75, 25.19, -60.59)
CIE-LCH	lch(34.75, 65.62, 292.57°)
OKLab	oklab(44.65% -0.0233 -0.1753)
OKLCH	oklch(44.65% 0.177 262.4)
XYZ	xyz(11.0374, 8.3736, 44.2057)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174AB4 #B48117

analogous

#1798B4 #174AB4 #3317B4

triadic

#174AB4 #B4174A #4AB417

tetradic

#174AB4 #B41798 #B48117 #17B433

square

#174AB4 #B41798 #B48117 #17B433

split-complementary

#174AB4 #B43317 #98B417

monochromatic

#091D47 #10347E #174AB4 #2563E3 #5B8AEA

Accessibility & contrast

On white

7.85

#174AB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#174AB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174AB4

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174AB4	#FFFFFF	#000000	##FFFFFF
##174AB4	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B8

Deuteranopia (green-blind)

#004BB2

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #174ab4;
/* rgb */ color: rgb(23, 74, 180);
/* oklch */ color: oklch(44.7% 0.177 262.4);

Tailwind

colors: {
  custom: {
    50: '#747bcb',
    500: '#174ab4',
    950: '#000000',
  },
}

SCSS

$custom: #174ab4;
$custom-light: #747bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#174ab4",
  "rgb": {
    "r": 23,
    "g": 74,
    "b": 180
  },
  "hsl": {
    "h": 220.51,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.44652,
    "c": 0.17686,
    "h": 262.4
  },
  "luminance": 0.08375
}

Semantic roles & 50–950 ramp

primary

#174AB4

secondary

#CEA859

accent

#B634F4

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #174AB4

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

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