#398CB5#398CB5

#398CB5 is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.7% C 0.101 H 233.4°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#398CB5
RGB	rgb(57, 140, 181)
HSL	hsl(200, 52%, 47%)
HSV	hsv(200, 69%, 71%)
CMYK	cmyk(68.5%, 22.7%, 0%, 29%)
CIE-LAB	lab(55.03, -11.76, -28.81)
CIE-LCH	lch(55.03, 31.12, 247.78°)
OKLab	oklab(60.72% -0.06 -0.0809)
OKLCH	oklch(60.72% 0.101 233.4)
XYZ	xyz(19.4026, 22.9601, 47.1163)
Luminance	0.2296 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398CB5 #B56239

analogous

#39B5A0 #398CB5 #394EB5

triadic

#398CB5 #B5398C #8CB539

tetradic

#398CB5 #A039B5 #B56239 #4EB539

square

#398CB5 #A039B5 #B56239 #4EB539

split-complementary

#398CB5 #B5394E #B5A039

monochromatic

#1C4458 #2A6886 #398CB5 #5FA8CD #8DC1DB

Accessibility & contrast

On white

3.76

#398CB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#398CB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398CB5

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398CB5	#FFFFFF	#000000	##000000
##398CB5	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788BB7

Deuteranopia (green-blind)

#677EB4

Tritanopia (blue-blind)

#00979A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #398cb5;
/* rgb */ color: rgb(57, 140, 181);
/* oklch */ color: oklch(60.7% 0.101 233.4);

Tailwind

colors: {
  custom: {
    50: '#7eadcb',
    500: '#398cb5',
    950: '#000000',
  },
}

SCSS

$custom: #398cb5;
$custom-light: #7eadcb;
$custom-dark: #000000;

JSON

{
  "hex": "#398cb5",
  "rgb": {
    "r": 57,
    "g": 140,
    "b": 181
  },
  "hsl": {
    "h": 199.839,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.60719,
    "c": 0.10067,
    "h": 233.4
  },
  "luminance": 0.22962
}

Semantic roles & 50–950 ramp

primary

#398CB5

secondary

#C69A84

accent

#7C4CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398CB5

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

Preview Lab → · Contrast checker → · Palette generator →