#398EBB#398EBB

#398EBB is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.5% C 0.106 H 235.4°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#398EBB
RGB	rgb(57, 142, 187)
HSL	hsl(201, 53%, 48%)
HSV	hsv(201, 70%, 73%)
CMYK	cmyk(69.5%, 24.1%, 0%, 26.7%)
CIE-LAB	lab(55.89, -10.86, -30.89)
CIE-LCH	lch(55.89, 32.75, 250.63°)
OKLab	oklab(61.49% -0.0599 -0.0869)
OKLCH	oklch(61.49% 0.106 235.4)
XYZ	xyz(20.3265, 23.8015, 50.5270)
Luminance	0.2380 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398EBB #BB6639

analogous

#39BBA7 #398EBB #394DBB

triadic

#398EBB #BB398E #8EBB39

tetradic

#398EBB #A739BB #BB6639 #4DBB39

square

#398EBB #A739BB #BB6639 #4DBB39

split-complementary

#398EBB #BB394D #BBA739

monochromatic

#1C475D #2B6A8C #398EBB #62A9CF #91C3DD

Accessibility & contrast

On white

3.65

#398EBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#398EBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398EBB

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398EBB	#FFFFFF	#000000	##000000
##398EBB	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788DBD

Deuteranopia (green-blind)

#6780BA

Tritanopia (blue-blind)

#009A9D

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #398ebb;
/* rgb */ color: rgb(57, 142, 187);
/* oklch */ color: oklch(61.5% 0.106 235.4);

Tailwind

colors: {
  custom: {
    50: '#7fafcf',
    500: '#398ebb',
    950: '#000000',
  },
}

SCSS

$custom: #398ebb;
$custom-light: #7fafcf;
$custom-dark: #000000;

JSON

{
  "hex": "#398ebb",
  "rgb": {
    "r": 57,
    "g": 142,
    "b": 187
  },
  "hsl": {
    "h": 200.769,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.61485,
    "c": 0.10552,
    "h": 235.4
  },
  "luminance": 0.23804
}

Semantic roles & 50–950 ramp

primary

#398EBB

secondary

#C89E87

accent

#7E4BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #398EBB

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

Preview Lab → · Contrast checker → · Palette generator →