#2D80C1
Closest named color: Windows Blue (#3778BF). oklch(58.1% 0.127 246.3), rgb(45, 128, 193).
Aa
Black text reads best on this color (4.96:1).
About this color
#2D80C1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.127 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.022 away. Black text reads best on it, at 4.96:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.96:1 |
| White text | 4.22:1 |
Values
| HEX | #2D80C1 |
| RGB | rgb(45, 128, 193) |
| HSL | hsl(206, 62%, 47%) |
| OKLCH | oklch(58.1% 0.127 246.3) |
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 #2D80C1 | 4.22:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #2D80C1 | 4.96:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #2D80C1 text on white | 4.22:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #2D80C1 text on black | 4.96:1 | AA | Lc -32.9 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A3C5E4
oklch(80.9% 0.057 246.1)
-
Step 400
400
#70A6D7
oklch(70.7% 0.092 246.9)
-
Step 500
500
#478FCC
oklch(63.1% 0.117 246.6)
-
Step 600
600 (this color)
#2D80C1
oklch(58.1% 0.127 246.3)
-
Step 700
700
#14659F
oklch(49.1% 0.118 246.2)
-
Step 800
800
#155381
oklch(42.8% 0.097 245.9)
-
Step 900
900
#1A4567
oklch(37.8% 0.075 245.6)
-
Step 950
950
#10283D
oklch(26.9% 0.05 247.3)
#2D80C1 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) | #6283C4 | 0.051 |
| Deuteranopia (no green cones) | #4D75C0 | 0.037 |
| Tritanopia (no blue cones) | #009097 | 0.092 |
| Achromatopsia (no color) | #7B7B7B | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D80C1
#2D80C1
oklch(58.1% 0.127 246.3)
- #AC6907
#AC6907
oklch(58.1% 0.127 66.5)
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 #2D80C1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.022
- Water Blue #0E87CC ΔE 0.023
- Steel Blue #4682B4 ΔE 0.029
- Cool Blue #4984B8 ΔE 0.030
- Nice Blue #107AB0 ΔE 0.034
- Blue NCS #118AB2 ΔE 0.042
- Flat Blue #3C73A8 ΔE 0.047
- Off Blue #5684AE ΔE 0.048
Use #2D80C1 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.