#2F3B7D#2F3B7D

#2F3B7D is a dark, moderate blue. Relative luminance 0.052; OKLCH L 38.0% C 0.112 H 272.3°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#2F3B7D
RGB	rgb(47, 59, 125)
HSL	hsl(231, 45%, 34%)
HSV	hsv(231, 62%, 49%)
CMYK	cmyk(62.4%, 52.8%, 0%, 51%)
CIE-LAB	lab(27.33, 17.03, -39.10)
CIE-LCH	lch(27.33, 42.65, 293.53°)
OKLab	oklab(38% 0.0044 -0.1119)
OKLCH	oklch(38% 0.112 272.3)
XYZ	xyz(6.4367, 5.2124, 20.0650)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3B7D #7D712F

analogous

#2F627D #2F3B7D #4A2F7D

triadic

#2F3B7D #7D2F3B #3B7D2F

tetradic

#2F3B7D #7D2F62 #7D712F #2F7D4A

square

#2F3B7D #7D2F62 #7D712F #2F7D4A

split-complementary

#2F3B7D #7D4A2F #627D2F

monochromatic

#0E1124 #1E2651 #2F3B7D #4050A9 #6271C4

Accessibility & contrast

On white

10.28

#2F3B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2F3B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3B7D

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3B7D	#FFFFFF	#000000	##FFFFFF
##2F3B7D	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17447F

Deuteranopia (green-blind)

#043D7C

Tritanopia (blue-blind)

#004A56

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f3b7d;
/* rgb */ color: rgb(47, 59, 125);
/* oklch */ color: oklch(38.0% 0.112 272.3);

Tailwind

colors: {
  custom: {
    50: '#7070a3',
    500: '#2f3b7d',
    950: '#000000',
  },
}

SCSS

$custom: #2f3b7d;
$custom-light: #7070a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3b7d",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 125
  },
  "hsl": {
    "h": 230.769,
    "s": 45.349,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38,
    "c": 0.11203,
    "h": 272.3
  },
  "luminance": 0.05213
}

Semantic roles & 50–950 ramp

primary

#2F3B7D

secondary

#AB9F5D

accent

#C153D5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2F3B7D

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

Preview Lab → · Contrast checker → · Palette generator →