#174CB4#174CB4

#174CB4 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.1% C 0.174 H 262.0°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#174CB4
RGB	rgb(23, 76, 180)
HSL	hsl(220, 77%, 40%)
HSV	hsv(220, 87%, 71%)
CMYK	cmyk(87.2%, 57.8%, 0%, 29.4%)
CIE-LAB	lab(35.29, 23.85, -59.71)
CIE-LCH	lch(35.29, 64.30, 291.77°)
OKLab	oklab(45.06% -0.0244 -0.1727)
OKLCH	oklch(45.06% 0.174 262)
XYZ	xyz(11.1730, 8.6449, 44.2509)
Luminance	0.0865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174CB4 #B47F17

analogous

#179BB4 #174CB4 #3017B4

triadic

#174CB4 #B4174C #4CB417

tetradic

#174CB4 #B4179B #B47F17 #17B430

square

#174CB4 #B4179B #B47F17 #17B430

split-complementary

#174CB4 #B43017 #9BB417

monochromatic

#091E47 #10357E #174CB4 #2565E3 #5B8CEA

Accessibility & contrast

On white

7.69

#174CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#174CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174CB4

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174CB4	#FFFFFF	#000000	##FFFFFF
##174CB4	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB8

Deuteranopia (green-blind)

#004CB2

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #174cb4;
/* rgb */ color: rgb(23, 76, 180);
/* oklch */ color: oklch(45.1% 0.174 262.0);

Tailwind

colors: {
  custom: {
    50: '#737dcb',
    500: '#174cb4',
    950: '#000000',
  },
}

SCSS

$custom: #174cb4;
$custom-light: #737dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#174cb4",
  "rgb": {
    "r": 23,
    "g": 76,
    "b": 180
  },
  "hsl": {
    "h": 219.745,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.4506,
    "c": 0.1744,
    "h": 262
  },
  "luminance": 0.08646
}

Semantic roles & 50–950 ramp

primary

#174CB4

secondary

#CEA659

accent

#B334F4

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #174CB4

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

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