#398DBB#398DBB

#398DBB is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.2% C 0.106 H 236.3°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#398DBB
RGB	rgb(57, 141, 187)
HSL	hsl(201, 53%, 48%)
HSV	hsv(201, 70%, 73%)
CMYK	cmyk(69.5%, 24.6%, 0%, 26.7%)
CIE-LAB	lab(55.59, -10.30, -31.36)
CIE-LCH	lch(55.59, 33.01, 251.82°)
OKLab	oklab(61.25% -0.0589 -0.0882)
OKLCH	oklch(61.25% 0.106 236.3)
XYZ	xyz(20.1783, 23.5052, 50.4776)
Luminance	0.2351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398DBB #BB6739

analogous

#39BBA8 #398DBB #394CBB

triadic

#398DBB #BB398D #8DBB39

tetradic

#398DBB #A839BB #BB6739 #4CBB39

square

#398DBB #A839BB #BB6739 #4CBB39

split-complementary

#398DBB #BB394C #BBA839

monochromatic

#1C465D #2B6A8C #398DBB #62A9CF #91C2DD

Accessibility & contrast

On white

3.68

#398DBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#398DBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398DBB

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398DBB	#FFFFFF	#000000	##000000
##398DBB	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778CBD

Deuteranopia (green-blind)

#6580BA

Tritanopia (blue-blind)

#00999D

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #398dbb;
/* rgb */ color: rgb(57, 141, 187);
/* oklch */ color: oklch(61.2% 0.106 236.3);

Tailwind

colors: {
  custom: {
    50: '#7faecf',
    500: '#398dbb',
    950: '#000000',
  },
}

SCSS

$custom: #398dbb;
$custom-light: #7faecf;
$custom-dark: #000000;

JSON

{
  "hex": "#398dbb",
  "rgb": {
    "r": 57,
    "g": 141,
    "b": 187
  },
  "hsl": {
    "h": 201.231,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.61247,
    "c": 0.10607,
    "h": 236.3
  },
  "luminance": 0.23507
}

Semantic roles & 50–950 ramp

primary

#398DBB

secondary

#C89E87

accent

#7F4BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #398DBB

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

Preview Lab → · Contrast checker → · Palette generator →