#398FB1#398FB1

#398FB1 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.3% C 0.096 H 227.7°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#398FB1
RGB	rgb(57, 143, 177)
HSL	hsl(197, 51%, 46%)
HSV	hsv(197, 68%, 69%)
CMYK	cmyk(67.8%, 19.2%, 0%, 30.6%)
CIE-LAB	lab(55.77, -14.76, -25.38)
CIE-LCH	lch(55.77, 29.36, 239.81°)
OKLab	oklab(61.26% -0.0646 -0.071)
OKLCH	oklch(61.26% 0.096 227.7)
XYZ	xyz(19.4424, 23.6870, 45.1338)
Luminance	0.2369 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398FB1 #B15B39

analogous

#39B197 #398FB1 #3953B1

triadic

#398FB1 #B1398F #8FB139

tetradic

#398FB1 #9739B1 #B15B39 #53B139

square

#398FB1 #9739B1 #B15B39 #53B139

split-complementary

#398FB1 #B13953 #B19739

monochromatic

#1B4454 #2A6A83 #398FB1 #5DABCB #8BC3DA

Accessibility & contrast

On white

3.66

#398FB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#398FB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398FB1

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398FB1	#FFFFFF	#000000	##000000
##398FB1	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8CB3

Deuteranopia (green-blind)

#6C80B1

Tritanopia (blue-blind)

#00999A

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #398fb1;
/* rgb */ color: rgb(57, 143, 177);
/* oklch */ color: oklch(61.3% 0.096 227.7);

Tailwind

colors: {
  custom: {
    50: '#7dafc8',
    500: '#398fb1',
    950: '#000000',
  },
}

SCSS

$custom: #398fb1;
$custom-light: #7dafc8;
$custom-dark: #000000;

JSON

{
  "hex": "#398fb1",
  "rgb": {
    "r": 57,
    "g": 143,
    "b": 177
  },
  "hsl": {
    "h": 197,
    "s": 51.282,
    "l": 45.882
  },
  "oklch": {
    "l": 0.61256,
    "c": 0.09597,
    "h": 227.7
  },
  "luminance": 0.23689
}

Semantic roles & 50–950 ramp

primary

#398FB1

secondary

#C49582

accent

#754DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398FB1

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

Preview Lab → · Contrast checker → · Palette generator →