#398AAC#398AAC

#398AAC is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.8% C 0.093 H 229.0°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#398AAC
RGB	rgb(57, 138, 172)
HSL	hsl(198, 50%, 45%)
HSV	hsv(198, 67%, 67%)
CMYK	cmyk(66.9%, 19.8%, 0%, 32.5%)
CIE-LAB	lab(54.05, -13.65, -25.17)
CIE-LCH	lch(54.05, 28.63, 241.52°)
OKLab	oklab(59.82% -0.0612 -0.0704)
OKLCH	oklch(59.82% 0.093 229)
XYZ	xyz(18.2193, 22.0234, 42.3125)
Luminance	0.2203 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398AAC #AC5B39

analogous

#39AC94 #398AAC #3951AC

triadic

#398AAC #AC398A #8AAC39

tetradic

#398AAC #9439AC #AC5B39 #51AC39

square

#398AAC #9439AC #AC5B39 #51AC39

split-complementary

#398AAC #AC3951 #AC9439

monochromatic

#1B4050 #2A657E #398AAC #5AA8C8 #88C0D8

Accessibility & contrast

On white

3.89

#398AAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#398AAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398AAC

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398AAC	#FFFFFF	#000000	##000000
##398AAC	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7888AE

Deuteranopia (green-blind)

#687CAC

Tritanopia (blue-blind)

#009495

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #398aac;
/* rgb */ color: rgb(57, 138, 172);
/* oklch */ color: oklch(59.8% 0.093 229.0);

Tailwind

colors: {
  custom: {
    50: '#7cacc4',
    500: '#398aac',
    950: '#000000',
  },
}

SCSS

$custom: #398aac;
$custom-light: #7cacc4;
$custom-dark: #000000;

JSON

{
  "hex": "#398aac",
  "rgb": {
    "r": 57,
    "g": 138,
    "b": 172
  },
  "hsl": {
    "h": 197.739,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.59815,
    "c": 0.09329,
    "h": 229
  },
  "luminance": 0.22025
}

Semantic roles & 50–950 ramp

primary

#398AAC

secondary

#C2937F

accent

#774EDA

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #398AAC

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

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