#2786AE
Closest named color: Blue NCS (#118AB2). oklch(58.4% 0.104 231), rgb(39, 134, 174).
Aa
Black text reads best on this color (5.10:1).
About this color
#2786AE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.104 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.012 away. Black text reads best on it, at 5.10:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #2786AE |
| RGB | rgb(39, 134, 174) |
| HSL | hsl(198, 63%, 42%) |
| OKLCH | oklch(58.4% 0.104 231) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #2786AE | 4.11:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #2786AE | 5.10:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #2786AE text on white | 4.11:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #2786AE text on black | 5.10:1 | AA | Lc -33.8 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A3C7DA
oklch(81% 0.047 231.1)
-
Step 400
400
#6EAAC7
oklch(70.8% 0.075 230.1)
-
Step 500
500
#4394B9
oklch(63.2% 0.096 230.7)
-
Step 600
600 (this color)
#2786AE
oklch(58.4% 0.104 231)
-
Step 700
700
#066A8D
oklch(49.2% 0.097 230.3)
-
Step 800
800
#0E5673
oklch(42.6% 0.081 231.4)
-
Step 900
900
#17475D
oklch(37.6% 0.063 231.9)
-
Step 950
950
#0F2A36
oklch(27% 0.04 229.8)
#2786AE with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7284B0 | 0.071 |
| Deuteranopia (no green cones) | #6077AD | 0.061 |
| Tritanopia (no blue cones) | #009193 | 0.062 |
| Achromatopsia (no color) | #7D7D7D | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2786AE
#2786AE
oklch(58.4% 0.104 231)
- #AC683E
#AC683E
oklch(58.4% 0.104 51.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2786AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.012
- Steel Blue #4682B4 ΔE 0.027
- Teal Blue #01889F ΔE 0.029
- Cool Blue #4984B8 ΔE 0.031
- Off Blue #5684AE ΔE 0.037
- Cerulean #457B9D ΔE 0.038
- Nice Blue #107AB0 ΔE 0.039
- Dusty Blue #5A86AD ΔE 0.041
Use #2786AE in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.