#398EB4#398EB4

#398EB4 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.2% C 0.099 H 230.9°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#398EB4
RGB	rgb(57, 142, 180)
HSL	hsl(199, 52%, 46%)
HSV	hsv(199, 68%, 71%)
CMYK	cmyk(68.3%, 21.1%, 0%, 29.4%)
CIE-LAB	lab(55.59, -13.21, -27.37)
CIE-LCH	lch(55.59, 30.39, 244.23°)
OKLab	oklab(61.15% -0.0624 -0.0767)
OKLCH	oklch(61.15% 0.099 230.9)
XYZ	xyz(19.5953, 23.5090, 46.6761)
Luminance	0.2351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398EB4 #B45F39

analogous

#39B49D #398EB4 #3950B4

triadic

#398EB4 #B4398E #8EB439

tetradic

#398EB4 #9D39B4 #B45F39 #50B439

square

#398EB4 #9D39B4 #B45F39 #50B439

split-complementary

#398EB4 #B43950 #B49D39

monochromatic

#1C4557 #2A6986 #398EB4 #5EAACC #8DC3DB

Accessibility & contrast

On white

3.68

#398EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#398EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398EB4

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398EB4	#FFFFFF	#000000	##000000
##398EB4	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB6

Deuteranopia (green-blind)

#6A80B3

Tritanopia (blue-blind)

#00989B

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #398eb4;
/* rgb */ color: rgb(57, 142, 180);
/* oklch */ color: oklch(61.2% 0.099 230.9);

Tailwind

colors: {
  custom: {
    50: '#7eafca',
    500: '#398eb4',
    950: '#000000',
  },
}

SCSS

$custom: #398eb4;
$custom-light: #7eafca;
$custom-dark: #000000;

JSON

{
  "hex": "#398eb4",
  "rgb": {
    "r": 57,
    "g": 142,
    "b": 180
  },
  "hsl": {
    "h": 198.537,
    "s": 51.899,
    "l": 46.471
  },
  "oklch": {
    "l": 0.61152,
    "c": 0.09889,
    "h": 230.9
  },
  "luminance": 0.23511
}

Semantic roles & 50–950 ramp

primary

#398EB4

secondary

#C59883

accent

#794CDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398EB4

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

Preview Lab → · Contrast checker → · Palette generator →