#2D80BD
Closest named color: Windows Blue (#3778BF). oklch(57.9% 0.122 244.8), rgb(45, 128, 189).
Aa
Black text reads best on this color (4.93:1).
About this color
#2D80BD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.122 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.023 away. Black text reads best on it, at 4.93:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.93:1 |
| White text | 4.25:1 |
Values
| HEX | #2D80BD |
| RGB | rgb(45, 128, 189) |
| HSL | hsl(205, 62%, 46%) |
| OKLCH | oklch(57.9% 0.122 244.8) |
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 #2D80BD | 4.25:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #2D80BD | 4.93:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #2D80BD text on white | 4.25:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #2D80BD text on black | 4.93:1 | AA | Lc -32.6 | 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
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCEC
oklch(88.5% 0.03 243.4)
-
Step 300
300
#A3C5E2
oklch(80.8% 0.055 244.3)
-
Step 400
400
#70A7D4
oklch(70.8% 0.088 244.2)
-
Step 500
500
#4890C9
oklch(63.2% 0.112 244.9)
-
Step 600
600 (this color)
#2D80BD
oklch(57.9% 0.122 244.8)
-
Step 700
700
#15669C
oklch(49.2% 0.113 244.3)
-
Step 800
800
#16537F
oklch(42.7% 0.095 245)
-
Step 900
900
#1A4566
oklch(37.7% 0.074 244.9)
-
Step 950
950
#11293C
oklch(27.2% 0.047 244.6)
#2D80BD 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) | #6482C0 | 0.053 |
| Deuteranopia (no green cones) | #5075BC | 0.039 |
| Tritanopia (no blue cones) | #008F96 | 0.087 |
| Achromatopsia (no color) | #7B7B7B | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D80BD
#2D80BD
oklch(57.9% 0.122 244.8)
- #AB6817
#AB6817
oklch(57.9% 0.122 64.3)
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 #2D80BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.023
- Steel Blue #4682B4 ΔE 0.025
- Water Blue #0E87CC ΔE 0.027
- Cool Blue #4984B8 ΔE 0.027
- Nice Blue #107AB0 ΔE 0.030
- Blue NCS #118AB2 ΔE 0.038
- Flat Blue #3C73A8 ΔE 0.043
- Off Blue #5684AE ΔE 0.045
Use #2D80BD 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.