#2D82C5
Closest named color: Water Blue (#0E87CC). oklch(58.8% 0.13 246.6), rgb(45, 130, 197).
Aa
Black text reads best on this color (5.11:1).
About this color
#2D82C5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.130 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.017 away. Black text reads best on it, at 5.11:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.11:1 |
| White text | 4.10:1 |
Values
| HEX | #2D82C5 |
| RGB | rgb(45, 130, 197) |
| HSL | hsl(206, 63%, 47%) |
| OKLCH | oklch(58.8% 0.13 246.6) |
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 #2D82C5 | 4.10:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #2D82C5 | 5.11:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #2D82C5 text on white | 4.10:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #2D82C5 text on black | 5.11:1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCEE
oklch(88.6% 0.032 246.7)
-
Step 300
300
#A3C5E5
oklch(80.9% 0.058 247)
-
Step 400
400
#6FA6D8
oklch(70.7% 0.094 247)
-
Step 500
500
#458FCD
oklch(63% 0.119 246.5)
-
Step 600
600 (this color)
#2D82C5
oklch(58.8% 0.13 246.6)
-
Step 700
700
#1065A1
oklch(49.2% 0.121 246.5)
-
Step 800
800
#135282
oklch(42.6% 0.1 246.8)
-
Step 900
900
#194568
oklch(37.8% 0.077 245.9)
-
Step 950
950
#10283D
oklch(26.9% 0.05 247.3)
#2D82C5 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) | #6385C8 | 0.051 |
| Deuteranopia (no green cones) | #4D77C4 | 0.036 |
| Tritanopia (no blue cones) | #00929A | 0.093 |
| Achromatopsia (no color) | #7D7D7D | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D82C5
#2D82C5
oklch(58.8% 0.13 246.6)
- #AF6B01
#AF6B01
oklch(58.9% 0.13 67.1)
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 #2D82C5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.017
- Windows Blue #3778BF ΔE 0.027
- Cool Blue #4984B8 ΔE 0.030
- Steel Blue #4682B4 ΔE 0.031
- Nice Blue #107AB0 ΔE 0.041
- Blue NCS #118AB2 ΔE 0.043
- Off Blue #5684AE ΔE 0.049
- Flat Blue #3C73A8 ΔE 0.054
Use #2D82C5 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.