#174B88#174B88

#174B88 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.4% C 0.115 H 255.1°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#174B88
RGB	rgb(23, 75, 136)
HSL	hsl(212, 71%, 31%)
HSV	hsv(212, 83%, 53%)
CMYK	cmyk(83.1%, 44.9%, 0%, 46.7%)
CIE-LAB	lab(31.79, 6.67, -38.84)
CIE-LCH	lch(31.79, 39.41, 279.75°)
OKLab	oklab(41.36% -0.0297 -0.1113)
OKLCH	oklch(41.36% 0.115 255.1)
XYZ	xyz(7.3117, 6.9910, 24.2518)
Luminance	0.0699 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B88 #885417

analogous

#178388 #174B88 #1B1788

triadic

#174B88 #88174B #4B8817

tetradic

#174B88 #881783 #885417 #17881B

square

#174B88 #881783 #885417 #17881B

split-complementary

#174B88 #881B17 #838817

monochromatic

#05111F #0E2E54 #174B88 #2068BC #3B86DE

Accessibility & contrast

On white

8.76

#174B88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#174B88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B88

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B88	#FFFFFF	#000000	##FFFFFF
##174B88	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C508A

Deuteranopia (green-blind)

#154687

Tritanopia (blue-blind)

#005A63

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #174b88;
/* rgb */ color: rgb(23, 75, 136);
/* oklch */ color: oklch(41.4% 0.115 255.1);

Tailwind

colors: {
  custom: {
    50: '#687cab',
    500: '#174b88',
    950: '#000000',
  },
}

SCSS

$custom: #174b88;
$custom-light: #687cab;
$custom-dark: #000000;

JSON

{
  "hex": "#174b88",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 136
  },
  "hsl": {
    "h": 212.389,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.41362,
    "c": 0.11523,
    "h": 255.1
  },
  "luminance": 0.06992
}

Semantic roles & 50–950 ramp

primary

#174B88

secondary

#BC823F

accent

#9B3AEE

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #174B88

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

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