#315D8B#315D8B

#315D8B is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.9% C 0.090 H 251.2°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#315D8B
RGB	rgb(49, 93, 139)
HSL	hsl(211, 48%, 37%)
HSV	hsv(211, 65%, 55%)
CMYK	cmyk(64.7%, 33.1%, 0%, 45.5%)
CIE-LAB	lab(38.45, 0.06, -30.03)
CIE-LCH	lch(38.45, 30.03, 270.11°)
OKLab	oklab(46.89% -0.0289 -0.0849)
OKLCH	oklch(46.89% 0.09 251.2)
XYZ	xyz(9.8395, 10.3448, 25.8993)
Luminance	0.1035 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315D8B #8B5F31

analogous

#318A8B #315D8B #32318B

triadic

#315D8B #8B315D #5D8B31

tetradic

#315D8B #8B318A #8B5F31 #318B32

square

#315D8B #8B318A #8B5F31 #318B32

split-complementary

#315D8B #8B3231 #8A8B31

monochromatic

#112031 #213F5E #315D8B #417BB8 #6B9ACB

Accessibility & contrast

On white

6.84

#315D8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#315D8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315D8B

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315D8B	#FFFFFF	#000000	##FFFFFF
##315D8B	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495F8D

Deuteranopia (green-blind)

#3D578A

Tritanopia (blue-blind)

#00686D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #315d8b;
/* rgb */ color: rgb(49, 93, 139);
/* oklch */ color: oklch(46.9% 0.090 251.2);

Tailwind

colors: {
  custom: {
    50: '#728aad',
    500: '#315d8b',
    950: '#000000',
  },
}

SCSS

$custom: #315d8b;
$custom-light: #728aad;
$custom-dark: #000000;

JSON

{
  "hex": "#315d8b",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 139
  },
  "hsl": {
    "h": 210.667,
    "s": 47.872,
    "l": 36.863
  },
  "oklch": {
    "l": 0.46885,
    "c": 0.08968,
    "h": 251.2
  },
  "luminance": 0.10346
}

Semantic roles & 50–950 ramp

primary

#315D8B

secondary

#B28D65

accent

#9550D7

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #315D8B

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

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