#2D4FD3
Closest named color: Blue Blue (#2242C7). oklch(49.1% 0.206 266.9), rgb(45, 79, 211).
Aa
White text reads best on this color (6.62:1).
About this color
#2D4FD3 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.206 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.038 away. White text reads best on it, at 6.62:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.206) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.17:1 |
| White text | 6.62:1 |
Values
| HEX | #2D4FD3 |
| RGB | rgb(45, 79, 211) |
| HSL | hsl(228, 65%, 50%) |
| OKLCH | oklch(49.1% 0.206 266.9) |
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 #2D4FD3 | 6.62:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #2D4FD3 | 3.17:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #2D4FD3 text on white | 6.62:1 | AA | Lc 82.0 | Fine for body text |
| #2D4FD3 text on black | 3.17:1 | AA large text | Lc -19.9 | Dividers and decoration only |
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 700.
-
Step 50
50
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFE
oklch(93.6% 0.029 266.4)
-
Step 200
200
#C9D9FF
oklch(88.6% 0.055 267.2)
-
Step 300
300
#A5BFFF
oklch(80.9% 0.095 267.2)
-
Step 400
400
#769BFF
oklch(70.7% 0.152 267.2)
-
Step 500
500
#547EFF
oklch(63.1% 0.197 267)
-
Step 600
600
#3A61F2
oklch(55.5% 0.222 267.1)
-
Step 700
700 (this color)
#2D4FD3
oklch(49.1% 0.206 266.9)
-
Step 800
800
#2542AB
oklch(42.7% 0.171 266.8)
-
Step 900
900
#223987
oklch(37.6% 0.134 267.2)
-
Step 950
950
#14224F
oklch(26.9% 0.085 267.4)
#2D4FD3 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) | #0065D7 | 0.052 |
| Deuteranopia (no green cones) | #0055D1 | 0.024 |
| Tritanopia (no blue cones) | #007289 | 0.162 |
| Achromatopsia (no color) | #5D5D5D | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4FD3
#2D4FD3
oklch(49.1% 0.206 266.9)
- #795C00
#795C00
oklch(49.1% 0.1 87.1)
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 #2D4FD3, closest first.
No curated palette has a color within ΔE 0.04 of #2D4FD3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.038
- Warm Blue #4B57DB ΔE 0.043
- Azul #1D5DEC ΔE 0.049
- Majorelle Blue #3F37C9 ΔE 0.052
- Blue With A Hint Of Purple #533CC6 ΔE 0.060
- Blurple #5539CC ΔE 0.063
- Neon Blue #4361EE ΔE 0.066
- Electric Blue #0652FF ΔE 0.070
Use #2D4FD3 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.