#315E9D#315E9D

#315E9D is a mid, moderate blue. Relative luminance 0.111; OKLCH L 48.2% C 0.113 H 257.2°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#315E9D
RGB	rgb(49, 94, 157)
HSL	hsl(215, 52%, 40%)
HSV	hsv(215, 69%, 62%)
CMYK	cmyk(68.8%, 40.1%, 0%, 38.4%)
CIE-LAB	lab(39.73, 6.01, -38.84)
CIE-LCH	lch(39.73, 39.30, 278.79°)
OKLab	oklab(48.2% -0.0251 -0.1106)
OKLCH	oklch(48.2% 0.113 257.2)
XYZ	xyz(11.3529, 11.0915, 33.4343)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315E9D #9D7031

analogous

#31949D #315E9D #3A319D

triadic

#315E9D #9D315E #5E9D31

tetradic

#315E9D #9D3194 #9D7031 #319D3A

square

#315E9D #9D3194 #9D7031 #319D3A

split-complementary

#315E9D #9D3A31 #949D31

monochromatic

#142640 #22426E #315E9D #467BC5 #759CD4

Accessibility & contrast

On white

6.52

#315E9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#315E9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315E9D

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315E9D	#FFFFFF	#000000	##FFFFFF
##315E9D	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4163A0

Deuteranopia (green-blind)

#31599C

Tritanopia (blue-blind)

#006D76

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #315e9d;
/* rgb */ color: rgb(49, 94, 157);
/* oklch */ color: oklch(48.2% 0.113 257.2);

Tailwind

colors: {
  custom: {
    50: '#758bba',
    500: '#315e9d',
    950: '#000000',
  },
}

SCSS

$custom: #315e9d;
$custom-light: #758bba;
$custom-dark: #000000;

JSON

{
  "hex": "#315e9d",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 157
  },
  "hsl": {
    "h": 215,
    "s": 52.427,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48203,
    "c": 0.11343,
    "h": 257.2
  },
  "luminance": 0.11093
}

Semantic roles & 50–950 ramp

primary

#315E9D

secondary

#BC9B6E

accent

#A04CDC

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #315E9D

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

Preview Lab → · Contrast checker → · Palette generator →