#174BA1#174BA1

#174BA1 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.3% C 0.150 H 260.2°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#174BA1
RGB	rgb(23, 75, 161)
HSL	hsl(217, 75%, 36%)
HSV	hsv(217, 86%, 63%)
CMYK	cmyk(85.7%, 53.4%, 0%, 36.9%)
CIE-LAB	lab(33.53, 16.89, -51.24)
CIE-LCH	lch(33.53, 53.95, 288.25°)
OKLab	oklab(43.26% -0.0255 -0.1478)
OKLCH	oklch(43.26% 0.15 260.2)
XYZ	xyz(9.3001, 7.7864, 34.7241)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174BA1 #A16D17

analogous

#1790A1 #174BA1 #2817A1

triadic

#174BA1 #A1174B #4BA117

tetradic

#174BA1 #A11790 #A16D17 #17A128

square

#174BA1 #A11790 #A16D17 #17A128

split-complementary

#174BA1 #A12817 #90A117

monochromatic

#081936 #0F326B #174BA1 #1F64D7 #4D86E6

Accessibility & contrast

On white

8.21

#174BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#174BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174BA1

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174BA1	#FFFFFF	#000000	##FFFFFF
##174BA1	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0855A4

Deuteranopia (green-blind)

#00499F

Tritanopia (blue-blind)

#00606E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #174ba1;
/* rgb */ color: rgb(23, 75, 161);
/* oklch */ color: oklch(43.3% 0.150 260.2);

Tailwind

colors: {
  custom: {
    50: '#6e7cbd',
    500: '#174ba1',
    950: '#000000',
  },
}

SCSS

$custom: #174ba1;
$custom-light: #6e7cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#174ba1",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 161
  },
  "hsl": {
    "h": 217.391,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.43264,
    "c": 0.15,
    "h": 260.2
  },
  "luminance": 0.07788
}

Semantic roles & 50–950 ramp

primary

#174BA1

secondary

#C7994C

accent

#AB36F2

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #174BA1

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

Preview Lab → · Contrast checker → · Palette generator →