#398FB5#398FB5

#398FB5 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.4% C 0.099 H 230.6°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#398FB5
RGB	rgb(57, 143, 181)
HSL	hsl(198, 52%, 47%)
HSV	hsv(198, 69%, 71%)
CMYK	cmyk(68.5%, 21%, 0%, 29%)
CIE-LAB	lab(55.94, -13.43, -27.41)
CIE-LCH	lch(55.94, 30.52, 243.89°)
OKLab	oklab(61.44% -0.0631 -0.0768)
OKLCH	oklch(61.44% 0.099 230.6)
XYZ	xyz(19.8470, 23.8488, 47.2644)
Luminance	0.2385 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398FB5 #B55F39

analogous

#39B59D #398FB5 #3951B5

triadic

#398FB5 #B5398F #8FB539

tetradic

#398FB5 #9D39B5 #B55F39 #51B539

square

#398FB5 #9D39B5 #B55F39 #51B539

split-complementary

#398FB5 #B53951 #B59D39

monochromatic

#1C4558 #2A6A86 #398FB5 #5FABCD #8DC3DB

Accessibility & contrast

On white

3.64

#398FB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#398FB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398FB5

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398FB5	#FFFFFF	#000000	##000000
##398FB5	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8DB7

Deuteranopia (green-blind)

#6B81B4

Tritanopia (blue-blind)

#00999C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #398fb5;
/* rgb */ color: rgb(57, 143, 181);
/* oklch */ color: oklch(61.4% 0.099 230.6);

Tailwind

colors: {
  custom: {
    50: '#7eafcb',
    500: '#398fb5',
    950: '#000000',
  },
}

SCSS

$custom: #398fb5;
$custom-light: #7eafcb;
$custom-dark: #000000;

JSON

{
  "hex": "#398fb5",
  "rgb": {
    "r": 57,
    "g": 143,
    "b": 181
  },
  "hsl": {
    "h": 198.387,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.6144,
    "c": 0.09939,
    "h": 230.6
  },
  "luminance": 0.23851
}

Semantic roles & 50–950 ramp

primary

#398FB5

secondary

#C69884

accent

#784CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398FB5

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

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