#2D5FDC
Closest named color: Azul (#1D5DEC). oklch(52.8% 0.199 264.1), rgb(45, 95, 220).
Aa
White text reads best on this color (5.55:1).
About this color
#2D5FDC is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.199 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.027 away. White text reads best on it, at 5.55:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.199) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.78:1 |
| White text | 5.55:1 |
Values
| HEX | #2D5FDC |
| RGB | rgb(45, 95, 220) |
| HSL | hsl(223, 71%, 52%) |
| OKLCH | oklch(52.8% 0.199 264.1) |
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 #2D5FDC | 5.55:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #2D5FDC | 3.78:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #2D5FDC text on white | 5.55:1 | AA | Lc 77.1 | Fine for body text |
| #2D5FDC text on black | 3.78:1 | AA large text | Lc -24.6 | 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 600.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C9DAFB
oklch(88.6% 0.049 263.7)
-
Step 300
300
#A3C0FB
oklch(80.8% 0.09 264.2)
-
Step 400
400
#739EFA
oklch(70.8% 0.143 264.1)
-
Step 500
500
#4F82F7
oklch(63.1% 0.183 264.1)
-
Step 600
600 (this color)
#2D5FDC
oklch(52.8% 0.199 264.1)
-
Step 700
700
#2855C8
oklch(49.1% 0.186 264.3)
-
Step 800
800
#2247A1
oklch(42.8% 0.152 264.1)
-
Step 900
900
#203C80
oklch(37.6% 0.12 264.5)
-
Step 950
950
#13244B
oklch(27% 0.076 264.2)
#2D5FDC 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) | #0071E0 | 0.044 |
| Deuteranopia (no green cones) | #0060DA | 0.020 |
| Tritanopia (no blue cones) | #007E94 | 0.154 |
| Achromatopsia (no color) | #686868 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5FDC
#2D5FDC
oklch(52.8% 0.199 264.1)
- #896500
#896500
oklch(52.9% 0.109 84)
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 #2D5FDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.027
- Warm Blue #4B57DB ΔE 0.032
- Royal Blue #4169E1 ΔE 0.034
- Neon Blue #4361EE ΔE 0.036
- Cerulean Blue #056EEE ΔE 0.044
- Bright Blue #0165FC ΔE 0.051
- Electric Blue #0652FF ΔE 0.063
- Dark Periwinkle #665FD1 ΔE 0.068
Use #2D5FDC 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.