#174EA1#174EA1

#174EA1 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 43.9% C 0.146 H 259.1°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#174EA1
RGB	rgb(23, 78, 161)
HSL	hsl(216, 75%, 36%)
HSV	hsv(216, 86%, 63%)
CMYK	cmyk(85.7%, 51.6%, 0%, 36.9%)
CIE-LAB	lab(34.40, 14.86, -49.83)
CIE-LCH	lch(34.40, 52.00, 286.60°)
OKLab	oklab(43.93% -0.0276 -0.1436)
OKLCH	oklch(43.93% 0.146 259.1)
XYZ	xyz(9.5084, 8.2030, 34.7935)
Luminance	0.0820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174EA1 #A16A17

analogous

#1793A1 #174EA1 #2517A1

triadic

#174EA1 #A1174E #4EA117

tetradic

#174EA1 #A11793 #A16A17 #17A125

square

#174EA1 #A11793 #A16A17 #17A125

split-complementary

#174EA1 #A12517 #93A117

monochromatic

#081A36 #0F346B #174EA1 #1F68D7 #4D8AE6

Accessibility & contrast

On white

7.95

#174EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#174EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174EA1

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174EA1	#FFFFFF	#000000	##FFFFFF
##174EA1	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1757A4

Deuteranopia (green-blind)

#004B9F

Tritanopia (blue-blind)

#006270

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #174ea1;
/* rgb */ color: rgb(23, 78, 161);
/* oklch */ color: oklch(43.9% 0.146 259.1);

Tailwind

colors: {
  custom: {
    50: '#6e7ebd',
    500: '#174ea1',
    950: '#000000',
  },
}

SCSS

$custom: #174ea1;
$custom-light: #6e7ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#174ea1",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 161
  },
  "hsl": {
    "h": 216.087,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.43927,
    "c": 0.14624,
    "h": 259.1
  },
  "luminance": 0.08204
}

Semantic roles & 50–950 ramp

primary

#174EA1

secondary

#C7964C

accent

#A736F2

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #174EA1

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

Preview Lab → · Contrast checker → · Palette generator →