#398BBB#398BBB

#398BBB is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.8% C 0.107 H 238.0°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#398BBB
RGB	rgb(57, 139, 187)
HSL	hsl(202, 53%, 48%)
HSV	hsv(202, 70%, 73%)
CMYK	cmyk(69.5%, 25.7%, 0%, 26.7%)
CIE-LAB	lab(54.99, -9.16, -32.29)
CIE-LCH	lch(54.99, 33.57, 254.16°)
OKLab	oklab(60.77% -0.0568 -0.0909)
OKLCH	oklch(60.77% 0.107 238)
XYZ	xyz(19.8861, 22.9208, 50.3802)
Luminance	0.2292 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398BBB #BB6939

analogous

#39BBAA #398BBB #394ABB

triadic

#398BBB #BB398B #8BBB39

tetradic

#398BBB #AA39BB #BB6939 #4ABB39

square

#398BBB #AA39BB #BB6939 #4ABB39

split-complementary

#398BBB #BB394A #BBAA39

monochromatic

#1C455D #2B688C #398BBB #62A7CF #91C1DD

Accessibility & contrast

On white

3.76

#398BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#398BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398BBB

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398BBB	#FFFFFF	#000000	##000000
##398BBB	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#748BBD

Deuteranopia (green-blind)

#637EBA

Tritanopia (blue-blind)

#00979B

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #398bbb;
/* rgb */ color: rgb(57, 139, 187);
/* oklch */ color: oklch(60.8% 0.107 238.0);

Tailwind

colors: {
  custom: {
    50: '#7faccf',
    500: '#398bbb',
    950: '#000000',
  },
}

SCSS

$custom: #398bbb;
$custom-light: #7faccf;
$custom-dark: #000000;

JSON

{
  "hex": "#398bbb",
  "rgb": {
    "r": 57,
    "g": 139,
    "b": 187
  },
  "hsl": {
    "h": 202.154,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.60772,
    "c": 0.10724,
    "h": 238
  },
  "luminance": 0.22923
}

Semantic roles & 50–950 ramp

primary

#398BBB

secondary

#C89F87

accent

#814BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #398BBB

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

Preview Lab → · Contrast checker → · Palette generator →