#2B507B#2B507B

#2B507B is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.5% C 0.084 H 253.4°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX#2B507B
RGBrgb(43, 80, 123)
HSLhsl(212, 48%, 33%)
HSVhsv(212, 65%, 48%)
CMYKcmyk(65%, 35%, 0%, 51.8%)
CIE-LABlab(33.31, 1.34, -28.34)
CIE-LCHlch(33.31, 28.38, 272.71°)
OKLaboklab(42.5% -0.0238 -0.0802)
OKLCHoklch(42.5% 0.084 253.4)
XYZxyz(7.4388, 7.6803, 19.8255)
Luminance0.0768 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B507B #7B562B
analogous
#2B787B #2B507B #2E2B7B
triadic
#2B507B #7B2B50 #507B2B
tetradic
#2B507B #7B2B78 #7B562B #2B7B2E
square
#2B507B #7B2B78 #7B562B #2B7B2E
split-complementary
#2B507B #7B2E2B #787B2B
monochromatic
#0B1520 #1B334E #2B507B #3B6DA8 #5B8CC6

Accessibility & contrast

On white

8.28
#2B507B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.54
#2B507B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B507B
8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B507B#FFFFFF#000000##FFFFFF
##2B507B1.008.282.548.28
#FFFFFF8.281.0021.001.00
#0000002.5421.001.0021.00
##FFFFFF8.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E537D
Deuteranopia (green-blind)
#334B7A
Tritanopia (blue-blind)
#005A60
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #2b507b;
/* rgb */ color: rgb(43, 80, 123);
/* oklch */ color: oklch(42.5% 0.084 253.4);
Tailwind
colors: {
  custom: {
    50: '#6d80a1',
    500: '#2b507b',
    950: '#000000',
  },
}
SCSS
$custom: #2b507b;
$custom-light: #6d80a1;
$custom-dark: #000000;
JSON
{
  "hex": "#2b507b",
  "rgb": {
    "r": 43,
    "g": 80,
    "b": 123
  },
  "hsl": {
    "h": 212.25,
    "s": 48.193,
    "l": 32.549
  },
  "oklch": {
    "l": 0.42503,
    "c": 0.08368,
    "h": 253.4
  },
  "luminance": 0.07681
}

Semantic roles & 50–950 ramp

primary
#2B507B
secondary
#AB8456
accent
#9950D8
background
#F6F7F9
surface
#ECEEF2
border
#C7C9CC
text
#070A0F
muted
#7A7C7E

Preview Lab

Preview with #2B507B

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

Preview Lab → · Contrast checker → · Palette generator →

#2B507B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva