#398DB3#398DB3

#398DB3 is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 60.9% C 0.098 H 231.1°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#398DB3
RGB	rgb(57, 141, 179)
HSL	hsl(199, 52%, 46%)
HSV	hsv(199, 68%, 70%)
CMYK	cmyk(68.2%, 21.2%, 0%, 29.8%)
CIE-LAB	lab(55.25, -12.99, -27.33)
CIE-LCH	lch(55.25, 30.26, 244.57°)
OKLab	oklab(60.87% -0.0617 -0.0766)
OKLCH	oklch(60.87% 0.098 231.1)
XYZ	xyz(19.3457, 23.1722, 46.0922)
Luminance	0.2317 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398DB3 #B35F39

analogous

#39B39C #398DB3 #3950B3

triadic

#398DB3 #B3398D #8DB339

tetradic

#398DB3 #9C39B3 #B35F39 #50B339

square

#398DB3 #9C39B3 #B35F39 #50B339

split-complementary

#398DB3 #B33950 #B39C39

monochromatic

#1B4456 #2A6885 #398DB3 #5EA9CC #8CC2DA

Accessibility & contrast

On white

3.73

#398DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#398DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398DB3

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398DB3	#FFFFFF	#000000	##000000
##398DB3	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8BB5

Deuteranopia (green-blind)

#697FB2

Tritanopia (blue-blind)

#00979A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #398db3;
/* rgb */ color: rgb(57, 141, 179);
/* oklch */ color: oklch(60.9% 0.098 231.1);

Tailwind

colors: {
  custom: {
    50: '#7eaeca',
    500: '#398db3',
    950: '#000000',
  },
}

SCSS

$custom: #398db3;
$custom-light: #7eaeca;
$custom-dark: #000000;

JSON

{
  "hex": "#398db3",
  "rgb": {
    "r": 57,
    "g": 141,
    "b": 179
  },
  "hsl": {
    "h": 198.689,
    "s": 51.695,
    "l": 46.275
  },
  "oklch": {
    "l": 0.60865,
    "c": 0.09839,
    "h": 231.1
  },
  "luminance": 0.23174
}

Semantic roles & 50–950 ramp

primary

#398DB3

secondary

#C59783

accent

#794DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398DB3

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

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