#123B76#123B76

#123B76 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.0% C 0.111 H 258.3°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#123B76
RGB	rgb(18, 59, 118)
HSL	hsl(215, 74%, 27%)
HSV	hsv(215, 85%, 46%)
CMYK	cmyk(84.7%, 50%, 0%, 53.7%)
CIE-LAB	lab(25.45, 9.69, -37.78)
CIE-LCH	lch(25.45, 39.00, 284.38°)
OKLab	oklab(36.03% -0.0226 -0.1086)
OKLCH	oklch(36.03% 0.111 258.3)
XYZ	xyz(5.0822, 4.5639, 17.7491)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B76 #764D12

analogous

#126D76 #123B76 #1B1276

triadic

#123B76 #76123B #3B7612

tetradic

#123B76 #76126D #764D12 #12761B

square

#123B76 #76126D #764D12 #12761B

split-complementary

#123B76 #761B12 #6D7612

monochromatic

#040D1B #0A2041 #123B76 #1A56AB #2571DE

Accessibility & contrast

On white

10.98

#123B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#123B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B76

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B76	#FFFFFF	#000000	##FFFFFF
##123B76	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194178

Deuteranopia (green-blind)

#003875

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #123b76;
/* rgb */ color: rgb(18, 59, 118);
/* oklch */ color: oklch(36.0% 0.111 258.3);

Tailwind

colors: {
  custom: {
    50: '#62709e',
    500: '#123b76',
    950: '#000000',
  },
}

SCSS

$custom: #123b76;
$custom-light: #62709e;
$custom-dark: #000000;

JSON

{
  "hex": "#123b76",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 118
  },
  "hsl": {
    "h": 215.4,
    "s": 73.529,
    "l": 26.667
  },
  "oklch": {
    "l": 0.36033,
    "c": 0.11094,
    "h": 258.3
  },
  "luminance": 0.04565
}

Semantic roles & 50–950 ramp

primary

#123B76

secondary

#AD7C37

accent

#A538F0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123B76

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

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