Nerdulator> put something in

Recognised as Colour

#033D5B

  • #033D5B
  • Blue
  • Dark
  • Nearest: Dark slate grey

#033D5B is a blue with RGB values 3, 61, 91 and HSL 200°, 94%, 18%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#033D5B#033D5B
HEX#033D5B
RGBrgb(3, 61, 91)
RGB (0–1)0.0118, 0.2392, 0.3569
RGB percentages1.2%, 23.9%, 35.7%
HSLhsl(200.5, 93.6%, 18.4%)
HSV / HSBhsv(200.5, 96.7%, 35.7%)
CMYK96.7%, 33%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer212,315
CSS custom property--colour: #033D5B;

Brightness & contrast

Relative luminance0.04112WCAG 2.x, 0 is black and 1 is white
Perceived brightness56 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.52:1
Contrast with white11.52:1WCAG normal text: AAA
Contrast with black1.82:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#FCC2A4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E3D5Cno red cones; affects about 1% of men; ΔE 8.8 from the original
Deuteranopia#23365Ano green cones; the most common form, about 1% of men; ΔE 9.6 from the original
Tritanopia#004548no blue cones; rare, and affects men and women equally; ΔE 20.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.52:1WCAG large text: AAA
Contrast with black, large text1.82:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.5Steel blue · ΔE 30Dim grey · ΔE 30.9Slate grey · ΔE 31.4Black · ΔE 33.4Light slate grey · ΔE 34
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.45, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B2103
Analogous#035B4D, #03115B
Triadic#5B033D, #3D5B03
Split complementary#5B0311, #5B4D03
Tetradic#4D035B, #5B2103, #115B03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#32B5F8
Lighter +30%#08A0EF
Lighter +20%#067FBE
Lighter +10%#055E8C
Darker −10%#011C2A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003E5E
Less saturated −25%#0F394F

Channel breakdown

R3
G61
B91
Red3 (1.2%)
Green61 (23.9%)
Blue91 (35.7%)
Hue200.45°
Saturation (HSL)93.62%
Lightness18.43%
Dominant channelBlue
Hex per channelR 03 · G 3D · B 5B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “033d5b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.