#398A9B#398A9B

#398A9B is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.1% C 0.082 H 213.8°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#398A9B
RGB	rgb(57, 138, 155)
HSL	hsl(190, 46%, 42%)
HSV	hsv(190, 63%, 61%)
CMYK	cmyk(63.2%, 11%, 0%, 39.2%)
CIE-LAB	lab(53.40, -19.14, -16.38)
CIE-LCH	lch(53.40, 25.19, 220.56°)
OKLab	oklab(59.07% -0.0679 -0.0455)
OKLCH	oklch(59.07% 0.082 213.8)
XYZ	xyz(16.6898, 21.4116, 34.2573)
Luminance	0.2141 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398A9B #9B4A39

analogous

#399B7B #398A9B #39599B

triadic

#398A9B #9B398A #8A9B39

tetradic

#398A9B #7B399B #9B4A39 #599B39

square

#398A9B #7B399B #9B4A39 #599B39

split-complementary

#398A9B #9B3959 #9B7B39

monochromatic

#183A42 #29626E #398A9B #52ACBF #7FC2D0

Accessibility & contrast

On white

3.98

#398A9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#398A9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398A9B

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398A9B	#FFFFFF	#000000	##000000
##398A9B	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D869C

Deuteranopia (green-blind)

#6F7B9B

Tritanopia (blue-blind)

#00918F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #398a9b;
/* rgb */ color: rgb(57, 138, 155);
/* oklch */ color: oklch(59.1% 0.082 213.8);

Tailwind

colors: {
  custom: {
    50: '#7aacb8',
    500: '#398a9b',
    950: '#000000',
  },
}

SCSS

$custom: #398a9b;
$custom-light: #7aacb8;
$custom-dark: #000000;

JSON

{
  "hex": "#398a9b",
  "rgb": {
    "r": 57,
    "g": 138,
    "b": 155
  },
  "hsl": {
    "h": 190.408,
    "s": 46.226,
    "l": 41.569
  },
  "oklch": {
    "l": 0.59074,
    "c": 0.08173,
    "h": 213.8
  },
  "luminance": 0.21413
}

Semantic roles & 50–950 ramp

primary

#398A9B

secondary

#B98277

accent

#6952D6

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #398A9B

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

Preview Lab → · Contrast checker → · Palette generator →