#398EB5#398EB5

#398EB5 is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.2% C 0.100 H 231.6°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#398EB5
RGB	rgb(57, 142, 181)
HSL	hsl(199, 52%, 47%)
HSV	hsv(199, 69%, 71%)
CMYK	cmyk(68.5%, 21.5%, 0%, 29%)
CIE-LAB	lab(55.63, -12.88, -27.87)
CIE-LCH	lch(55.63, 30.70, 245.20°)
OKLab	oklab(61.2% -0.062 -0.0782)
OKLCH	oklch(61.2% 0.1 231.6)
XYZ	xyz(19.6975, 23.5499, 47.2146)
Luminance	0.2355 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398EB5 #B56039

analogous

#39B59E #398EB5 #3950B5

triadic

#398EB5 #B5398E #8EB539

tetradic

#398EB5 #9E39B5 #B56039 #50B539

square

#398EB5 #9E39B5 #B56039 #50B539

split-complementary

#398EB5 #B53950 #B59E39

monochromatic

#1C4558 #2A6986 #398EB5 #5FAACD #8DC3DB

Accessibility & contrast

On white

3.68

#398EB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#398EB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398EB5

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398EB5	#FFFFFF	#000000	##000000
##398EB5	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8CB7

Deuteranopia (green-blind)

#6980B4

Tritanopia (blue-blind)

#00999B

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #398eb5;
/* rgb */ color: rgb(57, 142, 181);
/* oklch */ color: oklch(61.2% 0.100 231.6);

Tailwind

colors: {
  custom: {
    50: '#7eafcb',
    500: '#398eb5',
    950: '#000000',
  },
}

SCSS

$custom: #398eb5;
$custom-light: #7eafcb;
$custom-dark: #000000;

JSON

{
  "hex": "#398eb5",
  "rgb": {
    "r": 57,
    "g": 142,
    "b": 181
  },
  "hsl": {
    "h": 198.871,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.61199,
    "c": 0.0998,
    "h": 231.6
  },
  "luminance": 0.23552
}

Semantic roles & 50–950 ramp

primary

#398EB5

secondary

#C69984

accent

#794CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398EB5

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

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