#398AAD#398AAD

#398AAD is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.9% C 0.094 H 229.8°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#398AAD
RGB	rgb(57, 138, 173)
HSL	hsl(198, 50%, 45%)
HSV	hsv(198, 67%, 68%)
CMYK	cmyk(67.1%, 20.2%, 0%, 32.2%)
CIE-LAB	lab(54.09, -13.32, -25.68)
CIE-LCH	lch(54.09, 28.93, 242.58°)
OKLab	oklab(59.86% -0.0608 -0.0719)
OKLCH	oklch(59.86% 0.094 229.8)
XYZ	xyz(18.3157, 22.0620, 42.8202)
Luminance	0.2206 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398AAD #AD5C39

analogous

#39AD96 #398AAD #3950AD

triadic

#398AAD #AD398A #8AAD39

tetradic

#398AAD #9639AD #AD5C39 #50AD39

square

#398AAD #9639AD #AD5C39 #50AD39

split-complementary

#398AAD #AD3950 #AD9639

monochromatic

#1B4151 #2A657F #398AAD #5AA7C9 #88C0D8

Accessibility & contrast

On white

3.88

#398AAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#398AAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398AAD

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398AAD	#FFFFFF	#000000	##000000
##398AAD	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7888AF

Deuteranopia (green-blind)

#687CAD

Tritanopia (blue-blind)

#009496

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #398aad;
/* rgb */ color: rgb(57, 138, 173);
/* oklch */ color: oklch(59.9% 0.094 229.8);

Tailwind

colors: {
  custom: {
    50: '#7dacc5',
    500: '#398aad',
    950: '#000000',
  },
}

SCSS

$custom: #398aad;
$custom-light: #7dacc5;
$custom-dark: #000000;

JSON

{
  "hex": "#398aad",
  "rgb": {
    "r": 57,
    "g": 138,
    "b": 173
  },
  "hsl": {
    "h": 198.103,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.59861,
    "c": 0.09415,
    "h": 229.8
  },
  "luminance": 0.22064
}

Semantic roles & 50–950 ramp

primary

#398AAD

secondary

#C29480

accent

#784EDA

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398AAD

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

Preview Lab → · Contrast checker → · Palette generator →