#174DB4#174DB4

#174DB4 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.3% C 0.173 H 261.7°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#174DB4
RGB	rgb(23, 77, 180)
HSL	hsl(219, 77%, 40%)
HSV	hsv(219, 87%, 71%)
CMYK	cmyk(87.2%, 57.2%, 0%, 29.4%)
CIE-LAB	lab(35.56, 23.18, -59.27)
CIE-LCH	lch(35.56, 63.64, 291.36°)
OKLab	oklab(45.27% -0.025 -0.1714)
OKLCH	oklch(45.27% 0.173 261.7)
XYZ	xyz(11.2425, 8.7838, 44.2741)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174DB4 #B47E17

analogous

#179CB4 #174DB4 #2F17B4

triadic

#174DB4 #B4174D #4DB417

tetradic

#174DB4 #B4179C #B47E17 #17B42F

square

#174DB4 #B4179C #B47E17 #17B42F

split-complementary

#174DB4 #B42F17 #9CB417

monochromatic

#091F47 #10367E #174DB4 #2566E3 #5B8CEA

Accessibility & contrast

On white

7.62

#174DB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#174DB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174DB4

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174DB4	#FFFFFF	#000000	##FFFFFF
##174DB4	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #174db4;
/* rgb */ color: rgb(23, 77, 180);
/* oklch */ color: oklch(45.3% 0.173 261.7);

Tailwind

colors: {
  custom: {
    50: '#737ecb',
    500: '#174db4',
    950: '#000000',
  },
}

SCSS

$custom: #174db4;
$custom-light: #737ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#174db4",
  "rgb": {
    "r": 23,
    "g": 77,
    "b": 180
  },
  "hsl": {
    "h": 219.363,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.45266,
    "c": 0.17317,
    "h": 261.7
  },
  "luminance": 0.08785
}

Semantic roles & 50–950 ramp

primary

#174DB4

secondary

#CEA659

accent

#B234F4

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #174DB4

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

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