#398DB1#398DB1

#398DB1 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.8% C 0.097 H 229.7°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#398DB1
RGB	rgb(57, 141, 177)
HSL	hsl(198, 51%, 46%)
HSV	hsv(198, 68%, 69%)
CMYK	cmyk(67.8%, 20.3%, 0%, 30.6%)
CIE-LAB	lab(55.17, -13.66, -26.31)
CIE-LCH	lch(55.17, 29.65, 242.57°)
OKLab	oklab(60.77% -0.0625 -0.0737)
OKLCH	oklch(60.77% 0.097 229.7)
XYZ	xyz(19.1449, 23.0919, 45.0347)
Luminance	0.2309 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398DB1 #B15D39

analogous

#39B199 #398DB1 #3951B1

triadic

#398DB1 #B1398D #8DB139

tetradic

#398DB1 #9939B1 #B15D39 #51B139

square

#398DB1 #9939B1 #B15D39 #51B139

split-complementary

#398DB1 #B13951 #B19939

monochromatic

#1B4354 #2A6883 #398DB1 #5DAACB #8BC2DA

Accessibility & contrast

On white

3.74

#398DB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#398DB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398DB1

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398DB1	#FFFFFF	#000000	##000000
##398DB1	1.00	3.74	5.62	5.62
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8BB3

Deuteranopia (green-blind)

#6A7FB1

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #398db1;
/* rgb */ color: rgb(57, 141, 177);
/* oklch */ color: oklch(60.8% 0.097 229.7);

Tailwind

colors: {
  custom: {
    50: '#7daec8',
    500: '#398db1',
    950: '#000000',
  },
}

SCSS

$custom: #398db1;
$custom-light: #7daec8;
$custom-dark: #000000;

JSON

{
  "hex": "#398db1",
  "rgb": {
    "r": 57,
    "g": 141,
    "b": 177
  },
  "hsl": {
    "h": 198,
    "s": 51.282,
    "l": 45.882
  },
  "oklch": {
    "l": 0.60772,
    "c": 0.09661,
    "h": 229.7
  },
  "luminance": 0.23094
}

Semantic roles & 50–950 ramp

primary

#398DB1

secondary

#C49682

accent

#784DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398DB1

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

Preview Lab → · Contrast checker → · Palette generator →