#2138A0#2138A0

#2138A0 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.6% C 0.170 H 267.8°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#2138A0
RGB	rgb(33, 56, 160)
HSL	hsl(229, 66%, 38%)
HSV	hsv(229, 79%, 63%)
CMYK	cmyk(79.4%, 65%, 0%, 37.3%)
CIE-LAB	lab(28.61, 30.28, -58.64)
CIE-LCH	lch(28.61, 66.00, 297.31°)
OKLab	oklab(39.64% -0.0066 -0.1697)
OKLCH	oklch(39.64% 0.17 267.8)
XYZ	xyz(8.3843, 5.6888, 33.9071)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2138A0 #A08921

analogous

#2177A0 #2138A0 #4A21A0

triadic

#2138A0 #A02138 #38A021

tetradic

#2138A0 #A02177 #A08921 #21A04A

square

#2138A0 #A02177 #A08921 #21A04A

split-complementary

#2138A0 #A04A21 #77A021

monochromatic

#0C143B #17266D #2138A0 #2B4AD3 #5E75DE

Accessibility & contrast

On white

9.82

#2138A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2138A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2138A0

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2138A0	#FFFFFF	#000000	##FFFFFF
##2138A0	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA3

Deuteranopia (green-blind)

#003E9E

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2138a0;
/* rgb */ color: rgb(33, 56, 160);
/* oklch */ color: oklch(39.6% 0.170 267.8);

Tailwind

colors: {
  custom: {
    50: '#726ebd',
    500: '#2138a0',
    950: '#000000',
  },
}

SCSS

$custom: #2138a0;
$custom-light: #726ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#2138a0",
  "rgb": {
    "r": 33,
    "g": 56,
    "b": 160
  },
  "hsl": {
    "h": 229.134,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.39642,
    "c": 0.16983,
    "h": 267.8
  },
  "luminance": 0.0569
}

Semantic roles & 50–950 ramp

primary

#2138A0

secondary

#C2AF5B

accent

#CA3FE9

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2138A0

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

Preview Lab → · Contrast checker → · Palette generator →